1948

Technical Data:

Movement:
. Chronometer-certified automatic chronograph ETA cal. 7750 Valjoux COSC
. 25 jewels
. 28800 oscillations/h
. Power reserve 48h
. Etachron regulator system
. Glucydur balance bridge
. Nivaflex mainspring. Antichoc with Incabloc shock-absorber
Functions:
. Hour; minute; small second at 9h
. Chronograph with 30 minute counter at 12h, 12 hour counter at 6h, central second counter
. Date at 3h
Case/bracelet:
. Solid titanium case/bracelet, Ø 46.0mm, thickness 28.5mm, weight 265gr total
. Water-resistant to 7’500 meters (25’000 feet; 6’000 meters or 20’000 FEET & 25% safety margin according to ISO norm 6425). X-large crown with side-guards, allowing for diving with thick gloves
. Screw-down crown and pushers
. Red safety marking on pushers (visible when unscrewed)
. Domed, anti-reflective sapphire crystal, thickness 10mm
. Unidirectional rotating bezel, 60 minute graduation, Superluminova™ indices
. Solid titanium bracelet, lug-ends and links screwed. Solid titanium folding clasp with safety catch and micro-adjustment
. Separate genuine rubber strap & rubber extension strap for dry-suit diving (wrist circumference up to 35cm)
. Screw-driver 
. Screw-down caseback, Limited Edition engraving
. Helium relief valve
. anti-magnetic ISO 764
Dials:. Silver, black carbon, blue or yellow
. Superluminova™ indices
. Counters sunburst decorated
Hands:
. Oversized minute hand
. Superluminova™ coated
. All chronograph hands in red