Rolex · Authentication
Submariner Date: real vs fake
The Submariner Date is the most counterfeited dive watch on earth, and most replicas fail at the bezel. A genuine unidirectional bezel makes exactly 120 clicks per full rotation with a springy action, zero play and no backplay. The second thing to check is the Cerachrom insert and the luminous capsule at 12.
What to check on the Submariner Date
Model-specific zones — on top of the brand-level signs.
Bezel action: 120 clicks, counterclockwise only
A full rotation is exactly 120 crisp clicks with even tension. The bezel turns counterclockwise only, with no play and no backplay. Replicas often have fewer clicks, a mushy action, or rotate both ways.
Cerachrom engraving depth
Numerals and graduations on the ceramic insert are engraved into the surface and filled with platinum coating. The relief is visible at an angle. Fakes often print the markings on top or engrave them at uneven depth.
Lume pearl at the bezel’s 12
The zero marker is a separate luminous capsule in a metal surround, seated dead-center with no tilt or glue residue. The Chromalight glow is blue, not green.
Date window & lume plots
The date window is cut cleanly and the date sits centered in the aperture. Lume plots are filled densely with even white-gold surrounds — ragged fill gives a replica away.
Glidelock clasp
The Glidelock diver extension adjusts in roughly 2 mm increments without tools, with a smooth, positive action. On replicas the mechanism often binds or is purely decorative.
Photo angles for the check
- 1 Dial
- 2 Caseback
- 3 Crown
- 4 Bracelet
- 5 Serial number
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FAQ
Does a Submariner bezel rotate both ways?
No. A genuine bezel is unidirectional and turns counterclockwise only — a dive-safety requirement. A bidirectional bezel on a Submariner is a definitive fake tell.
What color should a Submariner Date glow in the dark?
Current models use Chromalight, which glows blue and lasts a long time. A bright green or quickly fading glow on recent references is a red flag.
How many clicks does the bezel make per full turn?
Exactly 120. Count them across a full rotation: 60, 90, or a friction bezel with no detents means you are looking at a replica.