Reference:126618LB
Submariner → 126618LB

Rolex introduced the 126618LB in 2020, replacing the 116618LB. The LB suffix stands for Lunette Bleue (blue bezel). Gold and blue have been paired on the Submariner since the 1680/8 first offered a blue dial on a gold case in the late 1960s, but no generation has pushed the combination as hard as the current one. The Cerachrom blue is deeper and more saturated than any aluminum insert could achieve. The sunburst dial throws light in every direction. The polished gold center links run from clasp to case like a mirror strip. This is the loudest watch in the Submariner catalog.
Core specifications
| Detail | Spec |
|---|---|
| Reference | 126618LB |
| Introduced | 2020 |
| Status | In production |
| Case | 41mm, full 18ct yellow gold, 21mm lug width |
| Bezel | Blue Cerachrom, gold-filled numerals |
| Crystal | Sapphire with Cyclops lens |
| Dial | Royal blue sunburst with applied 18ct yellow gold hour markers |
| Movement | Cal. 3235, 70hr power reserve |
| Escapement | Chronergy, nickel-phosphorus |
| Hairspring | Parachrom (paramagnetic) |
| Rate standard | -2/+2 sec/day (Superlative Chronometer) |
| Bracelet | Ref. 97208, Oyster, full 18ct yellow gold |
| Clasp | Oysterlock with Glidelock (20mm extension, 2mm increments) |
| Lume | Chromalight (blue glow) |
| Crown | Triplock, 18ct yellow gold |
| Water resistance | 300m / 1000ft |
| Rehaut | Engraved ROLEX + serial at 6 o’clock |
| Case back | Screw-down 18ct yellow gold |
Blue and gold
Blue and gold sit opposite each other on the color wheel — inherently high contrast. The 126618LB exploits this at every layer: blue bezel framing blue dial, gold-filled bezel numerals echoing gold markers and hands, gold case wrapping the whole composition.
The “royal blue” sunburst — a characterization now standard on the Rolex Forum — shifts from deep navy in low light to brilliant cobalt in sunshine. The full-gold surround amplifies this chameleon effect compared to the two-tone 126613LB Bluesy, where steel outer links and case sides cool the palette. Here, gold is the only frame, and it pushes the blue hotter.
The full-gold blue Sub versus the Bluesy
The 126613LB Bluesy shares the dial color, bezel color, and general proposition at roughly a third of the price. But they feel different on the wrist. The Bluesy has the visual rhythm of alternating steel-and-gold links; the 126618LB has the heft and warmth of an unbroken run of precious metal. From across a table, they read similarly. In the hand, on a scale, they are different objects.
Movement: Cal. 3235
Same 3235 powering every current date Submariner. The gold case and rotor do not change the movement specification.
Case and bezel notes
The watch is significantly heavier than its steel or Rolesor counterparts — slightly heavier than the predecessor 116618LB due to the larger 41mm case — and gold’s density makes this impossible to ignore on the wrist.
The Cerachrom insert uses the same scratch-resistant, UV-stable ceramic as the steel models. Whether the blue shade differs from the 116618LB is not documented in current sources.
Bracelet
The polished gold center links are the single most attention-grabbing element of the watch. On the steel models, polished center links are a subtle design detail. On a full-gold bracelet, they become a signal visible from across a restaurant.
Market context
Like its black-dial sibling 126618LN, the 126618LB typically trades near or below retail on the secondary market, though forum members note a roughly $5,000 premium over the predecessor 116618LB. Full-gold Submariners do not attract the speculative demand that drives steel-model premiums.
Sources
- Rolex current Submariner product pages — Rolex
- The New Rolex Submariner Date In Gold Reference 126618LB — Robert-Jan Broer, Fratello Watches
- History of the Rolex Submariner - Part 4, Modern References Ceramic — Tom Mulraney, Monochrome
- RolexForums 126618 thread bundle — RolexForums community, RolexForums