GLYCINE AIRMAN SST Chronograph Ref. 3902.199, 199/66, 185/66 Self-Winding Cal. ETA Valjoux 7754

Movement
Caliber: ETA 7754 automatic
Functions: hours, minutes, seconds, Chronograph 60s, counters 30min and 12hrs, date display in window, central 24hours hand
Size: 13 1/4"
Jewels: 25
Power Reserve: 46 hours
Hz: 4/28'800 vibrations per hour
Finish: yellow gold coated oscillating weight on ball bearing, decorated "Côtes de Genève", engraved by an airplane. Bridges rhodium coated and decorated "perlé", visible screws in blue finish.

Case, Dial & Hands
Material: stainless steel
Diameter: 43mm without crown
Height: 15.30mm
Finish: satin/polished
Waterproof: 10 atm
Back: solid steel screwed
Glass: double domed sapphire, AR
Dial: black with SL, blue dégradé with SL
Hands: nickel with SL
Crown: screw-down

Special features
inner revolving 24 hours ring 3rd timezone served by slit-headed crown at 8h

special execution for the purists of 24-hour watches with two timezones: featuring an arrow-tipped 24hour hand on the 24-hours dial only.

Leather strap
Material: calf
Colours: black, brown, grey
Width: black, brown: 22mm horns / 22mm horns
grey: 22mm horns / 20mm buckle
Buckle: belt