Damasko Swiss Valjoux 7750 Chronograph with a 60-Minute Stopwatch and 12-Hour Totalizer #DC57

Category:

Description

Swiss Movement:
Valjoux 7750
Self-winding, mechanical movement
25 ruby bearings
28,800 half oscillations/hour
Shockproof according to DIN 8308
Anti-magnetic according to DIN 8309

Case:

Stainless steel, nickel free, bead blasted, entirely hardened, finished with extremely abrasion-proof Damest layer. Ice-hardened to guaranteed 60 HRC or 710 Vickers

Integrated anti-magnetic inner cage, anti-magnetic to 80,000 A/m or 100 mT

Sapphire crystal with anti-reflective coating on both sides, AR coating on the underside only available on special request

Crystal gasket resistant to UV radiation

Solid screw back with O-ring Viton™ gasket


All gaskets made from Viton™ which offers a premium chemical resistance and which is superior to most other materials used in the watch industry

New patented crown and pusher system, crown stem and pusher shafts are machined with minimal tolerances and leave almost no gap between pusher/crown and case, but nevertheless do not scratch. Crown and pushers are also equipped with a permanent lubrication cell which eliminates friction.

Screw-down crown with protective shoulders

Crown, pushers, and tubes hardened to 60 HRC

Water resistant to 10 bars/100 metres according to DIN 8310

Crystal has a secure fit even in case of a sudden negative pressure

Dial:
Luminous white dial (Swiss SuperLuminova)
Hour indicators and triangle at 12 o’clock coated with special luminous paint

Hands:

The minute and hour hands are painted in matt black.

Strap:

Black leather with white stitching

Dimensions:
Diameter: 40.00mm
Total height: 13.80mm
Lug width: 20.00mm
Weight without strap: 89g

Functions:

Hour, minute, second
Weekday and date on special position
Chronograph: 12-hour counter, 30 minute counter, 60 second counter

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