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).
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.
Solid AISI 904L Stainless steel. Polished sides.
Fixed position (stationary). 24 hour engraving.
Sport style, screw-down (threaded). Factory Logo engraved/embossed.
Flat profile. Sapphire. Bubble date magnifier.
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.
Satin finish. Solid 904L stainless steel. Oyster style links.
