Glossy Dial · Glossy Dial Mark 3
Sea-Dweller Triple Six 16660 — Glossy Dial · Glossy Dial Mark 3
Undated
First glossy dial: no hyphen between “Sea” and “Dweller”, and a lacquer prone to web-like cracking (“spider dial”).
No verified image of this watch yet
Identifying details
- Spider dial
Glossy dial lacquer prone to fine web-like cracking.
- Date
Date display.
- White-gold surrounds
Applied white-gold surrounds around the lume plots.
- Helium escape valve
One-way valve on the left flank of the case.
Variants of 16660
Reference overview →| Variant | Production |
|---|---|
| Matte Dial | 1978–c. 1984 |
| Matte Dial · Matte Dial Mark 1 | Undated |
| Matte Dial · Matte Dial Mark 2 | Undated |
| Glossy Dial | c. 1983–1989 |
Case & movement
- Reference
- 16660
- Production
- Undated
- Case material
- Stainless steel
- Case diameter
- 40 mm
- Water resistance
- 1220 m
- Crystal
- Flat sapphire, no Cyclops
- Movement
- Automatic
- Chronometer
- Yes
More specifications (2)
- Date
Movement
Rolex 3035
Higher-beat date caliber that brought quickset date to the Sea-Dweller with the ref. 16660. Its balance is held by a cock rather than a full bridge, and its hairspring is glued. Also used in the Datejust, Submariner and Date.
Automatic · Introduced 1977 · 28,800 vph · 27 jewels · 42 h reserve