Movement:
Valjoux 7750 TOP
Self-winding, mechanical movement
25 jewels
28,800 bph
Shockproof according to DIN 8308
Anti-magnetic according to DIN 8309
Reinforced spring barrel
EPS® spring
Screw balance
Damasko rotor with ceramic bearing
Watch is regulated in 5 positions
DC57 Si functions:
Hour, minute, permanent small sweep second
Day/Date window with new, modified position
Chronograph: 12-hour counter and 30-minute counter on sub-dials
central 60-second counter
Case:
Stainless steel, nickel-free, bead-blasted
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:
Dial completely coated with luminous compound Luminova™ C1 (white) Numbers, hour markers, and triangle at 12 painted in matt black
Hands:
All hands including the chronograph hands painted in matt black
Strap and Bracelet:
High quality water resistant leather strap
Dimensions:
Diameter: 40.00 mm
Overall height: 13.80 mm
Lug width: 20.00 mm
Weight without strap: 89 grams
Warranty:
2 year manufacturers warranty
