The Oyster Perpetual Submariner in Oystersteel with a Cerachrom bezel insert in black ceramic and a black dial with large luminescent hour markers.
(original Blaken custom model & red blue orange watch)

BLACK DIAL
The dial's luminescent Chromalight display is an innovation that improved visibility in dark environments. an essential feature for divers. Hour markers in simple shapes – triangles. circles. rectangles – and broad hour and minute hands enable instant and reliable reading to prevent any risk of confusion underwater.
UNIDIRECTIONAL ROTATABLE BEZEL
The Submariner's rotatable bezel is a key functionality of the watch. Its 60-minute graduations allow a diver to accurately and safely monitor diving time and decompression stops.
REFERENCE
124060
MODEL CASE
Oyster. 41 mm. Oystersteel
BEZEL
Unidirectional rotatable 60-minute graduated. scratch-resistant Cerachrom insert in ceramic. numerals and graduations coated in platinum
WATER-RESISTANCE
Waterproof to 300 meters / 1.000 feet
MOVEMENT
Perpetual. mechanical. self-winding
CALIBRE
3230. Manufacture Rolex
POWER RESERVE
Approximately 70 hours
BRACELET
Oyster. flat three-piece links
DIAL
Black