Hardened Watch Cases



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

Watches within the Sinn Collection featuring hardened cases use Tegiment technology, while Hanhart employs special HDSPro® steel.


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Price: $3,260.00
SKU: HA-019
Single button chronograph with HDSPro® hardened case - 45 mm

In Stock - Ships Immediately

Price: $4,590.00
SKU: SI-338
• Verified Owner Reviews (2 reviews)
Automatic winding mechanical chronograph

Temporarily Sold Out

Price: $4,380.00
SKU: SI-336
Automatic winding mechanical chronograph

In Stock - Ships Immediately

Price: $3,980.00
SKU: SI-440
• Verified Owner Reviews (3 reviews)
Automatic winding chronograph watch with moonlight display

Temporarily Sold Out

Price: $3,350.00
SKU: SI-222
• Verified Owner Reviews (1 reviews)
Automatic winding chronograph on bracelet

In Stock - Ships Immediately

Price: $2,980.00
SKU: SI-224
• Verified Owner Reviews (1 reviews)
Automatic winding chronograph on strap

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Price: $2,050.00
SKU: SI-452
Automatic winding fully Tegimented

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Price: $1,790.00
SKU: SI-451
Automatic winding fully Tegimented

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Price: $2,370.00
SKU: SI-273
• Verified Owner Reviews (2 reviews)
Automatic winding with date function

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Price: $1,970.00
SKU: SI-272
• Verified Owner Reviews (2 reviews)
Automatic winding with date function

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Price: $2,170.00
SKU: SI-384
• Verified Owner Reviews (3 reviews)

Limited Edition 856 Pieces

German minute timing pilot’s watch

In Stock - Ships Immediately

Price: $1,860.00
SKU: SI-383
• Verified Owner Reviews (6 reviews)

Limited Edition 856 Pieces

German minute timing pilot’s watch

In Stock - Ships Immediately

Price: $2,160.00
SKU: SI-447

Limited Production Model

Hand satinized Tegimented case

In Stock - Ships Immediately

Price: $1,880.00
SKU: SI-446

Limited Production Model

Hand satinized Tegimented case

In Stock - Ships Immediately

Price: $1,880.00
SKU: SI-499
• Verified Owner Reviews (1 reviews)

Limited Production Model

Hand satinized Tegimented case

In Stock - Ships Immediately

Price: $2,080.00
SKU: SI-271
• Verified Owner Reviews (17 reviews)
Automatic winding with date function

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Price: $1,770.00
SKU: SI-270
• Verified Owner Reviews (19 reviews)
Automatic winding with date function

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Price: $2,460.00
SKU: SI-110
• Verified Owner Reviews (5 reviews)
Automatic winding with second time zone

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Price: $2,060.00
SKU: SI-099
• Verified Owner Reviews (5 reviews)
Automatic winding with second time zone

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Price: $2,250.00
SKU: SI-085
• Verified Owner Reviews (29 reviews)
Automatic winding with second time zone

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Price: $1,940.00
SKU: SI-084
• Verified Owner Reviews (23 reviews)
Automatic winding with second time zone

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Price: $2,650.00
SKU: SI-277
Automatic winding with date function

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Price: $2,280.00
SKU: SI-276
• Verified Owner Reviews (2 reviews)
Automatic winding with date function

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Price: $2,360.00
SKU: SI-275
• Verified Owner Reviews (9 reviews)
Automatic winding with date function

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Price: $2,080.00
SKU: SI-274
Automatic winding with date function

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Price: $2,750.00
SKU: SI-225
• Verified Owner Reviews (12 reviews)
Automatic winding dual time zone with Tegimented case and bracelet

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Price: $2,380.00
SKU: SI-226
• Verified Owner Reviews (4 reviews)
Automatic winding with second time zone

Temporarily Sold Out

Price: $2,460.00
SKU: SI-187
• Verified Owner Reviews (12 reviews)
Automatic winding with second time zone

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Price: $2,180.00
SKU: SI-176
• Verified Owner Reviews (8 reviews)
Automatic winding with second time zone

Temporarily Sold Out

Price: $2,390.00
SKU: SI-328
• Verified Owner Reviews (8 reviews)

Limited Edition 777 Pieces

TESTAF certified pilot’s watch dual time zone

Temporarily Sold Out

Price: $2,650.00
SKU: SI-400
• Verified Owner Reviews (2 reviews)
DIN 8330 certified professional pilot's watch

Temporarily Sold Out

Price: $2,370.00
SKU: SI-399
• Verified Owner Reviews (5 reviews)
DIN 8330 certified professional pilot's watch

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Price: $4,390.00
SKU: SI-244
• Verified Owner Reviews (1 reviews)
Automatic winding chronograph watch on Tegimented black bracelet

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Price: $3,960.00
SKU: SI-265
Automatic winding chronograph watch on calf leather strap

Temporarily Sold Out

Price: $4,670.00
SKU: SI-319
• Verified Owner Reviews (2 reviews)
Automatic winding chronograph watch on bracelet

In Stock - Ships Immediately

Price: $3,740.00
SKU: SI-229
• Verified Owner Reviews (2 reviews)
Automatic winding chronograph watch on strap

Temporarily Sold Out

Price: $3,240.00
SKU: SI-454
Bi-compax chronograph Sinn SZ-05 calibre

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Price: $2,980.00
SKU: SI-453
Bi-compax chronograph Sinn SZ-05 calibre

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Price: $5,480.00
SKU: SI-316
• Verified Owner Reviews (18 reviews)
TESTAF certified professional pilot's watch with DIAPAL escapement

Temporarily Sold Out

Price: $3,560.00
SKU: SI-419
• Verified Owner Reviews (2 reviews)
Emergency rescue watch with PulseRotor

Temporarily Sold Out

Price: $2,780.00
SKU: SI-252
• Verified Owner Reviews (3 reviews)
Automatic winding with second time zone

Temporarily Sold Out

Price: $2,690.00
SKU: SI-251
• Verified Owner Reviews (1 reviews)
Automatic winding with second time zone

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Price: $3,540.00
SKU: SI-329
• Verified Owner Reviews (2 reviews)
TESTAF certified professional pilot's watch

Temporarily Sold Out

Price: $2,840.00
SKU: SI-407
• Verified Owner Reviews (4 reviews)
The all new black PVD Tegimented U1

In Stock - Ships Immediately

Price: $2,710.00
SKU: SI-406
• Verified Owner Reviews (3 reviews)
The all new black PVD Tegimented U1

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Price: $2,840.00
SKU: SI-410
• Verified Owner Reviews (5 reviews)
The all black Sinn U1 SE with ivory SuperLuminova

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Price: $2,710.00
SKU: SI-409
• Verified Owner Reviews (1 reviews)
The all black Sinn U1 SE with ivory SuperLuminova

Temporarily Sold Out

Price: $2,840.00
SKU: SI-477
• Verified Owner Reviews (4 reviews)

Limited Production Model

Fully Tegimented with blue dial and black case

Temporarily Sold Out

Price: $2,710.00
SKU: SI-478

Limited Production Model

Fully Tegimented with blue dial and black case

Temporarily Sold Out

Price: $2,640.00
SKU: SI-475

Limited Production Model

Fully Tegimented with blue dial

In Stock - Ships Immediately

Price: $2,550.00
SKU: SI-476

Limited Production Model

Fully Tegimented with blue dial

In Stock - Ships Immediately

Price: $2,640.00
SKU: SI-255
• Verified Owner Reviews (42 reviews)

Limited Production Model

Fully Tegimented submarine steel

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Price: $2,550.00
SKU: SI-258
• Verified Owner Reviews (1 reviews)

Limited Production Model

Fully Tegimented submarine steel

In Stock - Ships Immediately

Price: $2,740.00
SKU: SI-340
• Verified Owner Reviews (4 reviews)

Limited Production Model

Fully Tegimented submarine steel

Temporarily Sold Out

Price: $3,520.00
SKU: SI-214
• Verified Owner Reviews (8 reviews)
Mechanical diver's watch with two time zones fully Tegimented

In Stock - Ships Immediately

Price: $3,390.00
SKU: SI-206
• Verified Owner Reviews (11 reviews)
Mechanical diver's watch with two time zones fully Tegimented

Temporarily Sold Out

Price: $3,260.00
SKU: SI-526

Limited Edition of 100 Pieces North America

Fully Tegimented dive watch with white dial

Temporarily Sold Out

Price: $3,320.00
SKU: SI-267
• Verified Owner Reviews (2 reviews)

Limited Production Model

Fully Tegimented submarine steel

Temporarily Sold Out

Price: $2,940.00
SKU: SI-512

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Available for Reservation

Price: $2,810.00
SKU: SI-511

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Available for Reservation

Price: $2,740.00
SKU: SI-520

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Available for Reservation

Price: $2,650.00
SKU: SI-519
• Verified Owner Reviews (1 reviews)

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Temporarily Sold Out

Price: $2,840.00
SKU: SI-522

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Available for Reservation

Price: $2,750.00
SKU: SI-521

BaselWorld 2020 New Model

Midsize U-Series fully Tegimented diver's watch

Available for Reservation