Transitional model Rolex Oyster Explorer II 16550, date with GMT second time zone feature, calendar, window display. 31 jewel 3085 Rolex automatic movement.
Promo:
Factory Model Number. 16550.
Bit of History:
Transitional model - bridged the gap between earlier Explorer II models (like the 1655) and later references (like the 16570).
Movement:
31 jewels. Swiss made Mechanical Automatic (Powered by wrist motion). Rolex Cal.3085.
Movement Features:
Certified COSC ( Controle Officiel Suisse des Chronometres ) Chronometer.
Functions:
Date calendar, window display. 24 hour format ( military ) hand. Second Time Zone indicator. Jumping hour hand for easy time zone adjustment.
Case:
Solid AISI 904L Stainless steel. Polished sides.
Bezel:
Fixed position (stationary). 24 hour engraving.
Crown:
Sport style, screw-down (threaded). Factory Logo engraved/embossed.
Crystal:
Flat profile. Sapphire. Bubble date magnifier.
Dial:
Black color. Applied polished steel tone markers. Luminous ( radiation-free Super-LumiNova ) hour markers.
Hands:
Super-LumiNova radiation-free luminous filled. Steel color. Patent (Mercedes) style.
Band:
Satin finish. Solid 904L stainless steel. Oyster style links.
Water Resistance:
100m/330ft /10atm.
Case Size:
40.00mm. 12.50mm.
