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WatchBuys - German Watches

Hardened Watch Cases



These Sinn, Dekla and Hanhart watches feature cases that have been hardened to offer extreme protection against scratches, wear and dings.

Sinn uses the term "Tegimented" to designate their watches with hardened cases, which may be made from stainless steel, submarine steel or titanium.

Dekla uses the term "6Steel" to designate stainless steel cases which have been hardened using the Kolsterising® process.

Hanhart uses a process called HDSPro® which makes the stainless steel up to 100 times more scratch resistant than standard stainless steel.




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Price: $930.00
SKU: DK-001
Automatic winding pilot's watch with hardened steel case - 40 mm
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Price: $930.00
SKU: DK-003
Automatic winding pilot's watch with hardened steel case - 40 mm
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Price: $980.00
SKU: DK-002
Manual winding pilot's watch with hardened steel case - 40 mm
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Price: $980.00
SKU: DK-004
Manual winding pilot's watch with hardened steel case - 40 mm
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Price: $930.00
SKU: DK-005
Automatic winding pilot's watch with hardened steel case - 42 mm
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Price: $930.00
SKU: DK-007
Automatic winding pilot's watch with hardened steel case - 42 mm
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Price: $980.00
SKU: DK-006
Manual winding pilot's watch with hardened steel case - 42 mm
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Price: $980.00
SKU: DK-008
Manual winding pilot's watch with hardened steel case - 42 mm
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Price: $930.00
SKU: DK-013
Automatic winding tool watch with hardened steel case - 40 mm
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Price: $990.00
SKU: DK-014
Automatic winding tool watch with hardened steel case - 40 mm
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Price: $930.00
SKU: DK-010
Automatic winding tool watch with hardened steel case - 40 mm
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Price: $930.00
SKU: DK-019
Automatic winding tool watch with hardened steel case - 42 mm
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Price: $3,290.00
SKU: HA-017
Chronograph with HDSPro® hardened steel case
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Price: $3,760.00
SKU: HA-018
Flyback chronograph with HDSPro® hardened case
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Price: $3,430.00
SKU: HA-019
Single button chronograph with HDSPro® hardened case
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Price: $4,880.00
SKU: SI-338
• Verified Owner Reviews (2 reviews)
Automatic winding mechanical chronograph
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Price: $4,670.00
SKU: SI-336
• Verified Owner Reviews (1 reviews)
Automatic winding mechanical chronograph
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Price: $3,540.00
SKU: SI-569
• Verified Owner Reviews (1 reviews)

Limited Edition 600 Pieces

60th anniversary sports chronograph
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Price: $4,910.00
SKU: SI-441
Automatic winding chronograph watch with moonlight display
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Price: $4,480.00
SKU: SI-440
• Verified Owner Reviews (3 reviews)
Automatic winding chronograph watch with moonlight display
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Price: $5,160.00
SKU: SI-570

New Model

Pilot's chronograph based on historic Sinn cockpit clock design
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Price: $5,450.00
SKU: SI-571
• Verified Owner Reviews (1 reviews)

New Model

Pilot's chronograph based on historic Sinn cockpit clock design
Price: $3,510.00
SKU: SI-222
• Verified Owner Reviews (1 reviews)
Automatic winding chronograph on bracelet
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Price: $2,360.00
SKU: SI-452
• Verified Owner Reviews (4 reviews)
Automatic winding fully Tegimented
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Price: $2,060.00
SKU: SI-451
• Verified Owner Reviews (1 reviews)
Automatic winding fully Tegimented
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Price: $2,620.00
SKU: SI-273
• Verified Owner Reviews (3 reviews)
Automatic winding with date function
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Price: $2,140.00
SKU: SI-272
• Verified Owner Reviews (3 reviews)
Automatic winding with date function
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Price: $2,340.00
SKU: SI-384
• Verified Owner Reviews (6 reviews)

Limited Edition 856 Pieces

German minute timing pilot’s watch
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Price: $1,990.00
SKU: SI-383
• Verified Owner Reviews (8 reviews)

Limited Edition 856 Pieces

German minute timing pilot’s watch
Price: $2,050.00
SKU: SI-499
• Verified Owner Reviews (10 reviews)

Limited Production Model

Hand satinized Tegimented case
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Price: $2,290.00
SKU: SI-271
• Verified Owner Reviews (19 reviews)
Automatic winding with date function
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Price: $1,940.00
SKU: SI-270
• Verified Owner Reviews (20 reviews)
Automatic winding with date function
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Price: $2,730.00
SKU: SI-110
• Verified Owner Reviews (5 reviews)
Automatic winding with second time zone
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Price: $2,250.00
SKU: SI-099
• Verified Owner Reviews (7 reviews)
Automatic winding with second time zone
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Price: $2,460.00
SKU: SI-085
• Verified Owner Reviews (30 reviews)
Automatic winding with second time zone
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Price: $2,110.00
SKU: SI-084
• Verified Owner Reviews (26 reviews)
Automatic winding with second time zone
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Price: $2,540.00
SKU: SI-275
• Verified Owner Reviews (11 reviews)
Automatic winding with date function
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Price: $2,260.00
SKU: SI-274
Automatic winding with date function
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Price: $2,730.00
SKU: SI-187
• Verified Owner Reviews (15 reviews)
Automatic winding with second time zone
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Price: $2,430.00
SKU: SI-176
• Verified Owner Reviews (10 reviews)
Automatic winding with second time zone
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Price: $2,860.00
SKU: SI-400
• Verified Owner Reviews (4 reviews)
DIN 8330 certified professional pilot's watch
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Price: $2,560.00
SKU: SI-399
• Verified Owner Reviews (6 reviews)
DIN 8330 certified professional pilot's watch
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Price: $4,950.00
SKU: SI-319
• Verified Owner Reviews (2 reviews)
Automatic winding chronograph watch on bracelet
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Price: $4,430.00
SKU: SI-228
Automatic winding chronograph watch on Tegimented bracelet
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Price: $3,990.00
SKU: SI-229
• Verified Owner Reviews (2 reviews)
Automatic winding chronograph watch on strap
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Price: $3,790.00
SKU: SI-454
Bicompax chronograph Sinn SZ-05 calibre
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Price: $3,490.00
SKU: SI-453
Bicompax chronograph Sinn SZ-05 calibre
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Price: $3,930.00
SKU: SI-419
• Verified Owner Reviews (2 reviews)
Emergency rescue watch with PulseRotor
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Price: $3,130.00
SKU: SI-252
• Verified Owner Reviews (3 reviews)
Automatic winding with second time zone
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Price: $2,940.00
SKU: SI-251
• Verified Owner Reviews (1 reviews)
Automatic winding with second time zone
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Price: $3,680.00
SKU: SI-329
• Verified Owner Reviews (3 reviews)
TESTAF certified professional pilot's watch
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Price: $2,990.00
SKU: SI-533
• Verified Owner Reviews (1 reviews)

Limited Edition 300 Pieces

Fully Tegimented PVD dive watch in Germany's national colors
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Price: $3,130.00
SKU: SI-407
• Verified Owner Reviews (6 reviews)
The all new black PVD Tegimented U1
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Price: $2,990.00
SKU: SI-406
• Verified Owner Reviews (3 reviews)
The all new black PVD Tegimented U1
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Price: $3,130.00
SKU: SI-410
• Verified Owner Reviews (5 reviews)
The all black Sinn U1 SE with ivory SuperLuminova
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Price: $2,990.00
SKU: SI-409
• Verified Owner Reviews (3 reviews)
The all black Sinn U1 SE with ivory SuperLuminova
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Price: $3,130.00
SKU: SI-477
• Verified Owner Reviews (4 reviews)

Limited Production Model

Fully Tegimented with blue dial and black case
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Price: $2,990.00
SKU: SI-478

Limited Production Model

Fully Tegimented with blue dial and black case
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Price: $2,930.00
SKU: SI-475
• Verified Owner Reviews (1 reviews)

Limited Production Model

Fully Tegimented with blue dial
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Price: $2,860.00
SKU: SI-476
• Verified Owner Reviews (1 reviews)

Limited Production Model

Fully Tegimented with blue dial
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Price: $2,930.00
SKU: SI-255
• Verified Owner Reviews (46 reviews)

Limited Production Model

Fully Tegimented submarine steel
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Price: $2,860.00
SKU: SI-258
• Verified Owner Reviews (1 reviews)

Limited Production Model

Fully Tegimented submarine steel
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Price: $3,030.00
SKU: SI-340
• Verified Owner Reviews (6 reviews)

Limited Production Model

Fully Tegimented submarine steel
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Price: $2,960.00
SKU: SI-391
• Verified Owner Reviews (1 reviews)

Limited Production Model

Fully Tegimented submarine steel
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Price: $3,670.00
SKU: SI-214
• Verified Owner Reviews (8 reviews)
Mechanical diver's watch with two time zones fully Tegimented
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Price: $3,530.00
SKU: SI-206
• Verified Owner Reviews (12 reviews)
Mechanical diver's watch with two time zones fully Tegimented
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Price: $3,610.00
SKU: SI-557
• Verified Owner Reviews (3 reviews)

Limited Edition 100 Pieces in North America

Fully Tegimented dive watch with white dial
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Price: $3,470.00
SKU: SI-526
• Verified Owner Reviews (2 reviews)

Limited Edition 100 Pieces North America

Fully Tegimented dive watch with white dial
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Price: $3,530.00
SKU: SI-535

Limited Production Model

Fully Tegimented submarine steel
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Price: $3,460.00
SKU: SI-234

Limited Production Model

Fully Tegimented submarine steel
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Price: $3,210.00
SKU: SI-512
Midsize U-Series fully Tegimented diver's watch
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Price: $3,070.00
SKU: SI-511
Midsize U-Series fully Tegimented diver's watch
Price: $3,010.00
SKU: SI-520
Midsize U-Series fully Tegimented diver's watch
Price: $2,940.00
SKU: SI-519
• Verified Owner Reviews (3 reviews)
Midsize U-Series fully Tegimented diver's watch
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Price: $3,110.00
SKU: SI-522
Midsize U-Series fully Tegimented diver's watch
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Price: $3,040.00
SKU: SI-521
Midsize U-Series fully Tegimented diver's watch
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Price: $3,060.00
SKU: SI-342

Limited Production Model

Fully Tegimented submarine steel