COMEX · COMEX Mark 1, Rail Dial
Sea-Dweller 1665 — COMEX · COMEX Mark 1, Rail Dial
Original COMEX dial: rail-aligned chronometer text but a depth rating of “2000 ft = 600 m” instead of 610 m. The COMEX logo is printed reversed (black letters in white) and the coronet is a little shorter.
Dated example: issue 2012, case 5'148'108 (1977, Phillips).
Identifying details
- Rail dial
The “C” of CHRONOMETER sits directly over the “C” of CERTIFIED, leaving a straight vertical gap (a “rail”) through the certification text.
- Date
Date display.
- COMEX logo
COMEX logo printed on the dial.
- Helium escape valve
One-way valve on the left flank of the case.
- COMEX caseback engraving
COMEX engraving on the caseback.
- COMEX issue
Issued to the French diving company COMEX.
Variants of 1665
Reference overview →| Variant | Production |
|---|---|
| Single Red | 1967–1968 |
| Single Red · Single Red, No Gas Escape Valve | 1967 |
| Single Red · Single Red, With Gas Escape Valve | 1967–1968 |
| Double Red | 1967–1977 |
Case & movement
- Reference
- 1665
- Production
- c. 1977–?
- Case material
- Stainless steel
- Case diameter
- 40 mm
- Water resistance
- 610 m
- Crystal
- Domed acrylic, no Cyclops
- Movement
- Automatic
- Chronometer
- Yes
More specifications (2)
- Date
Movement
Rolex 1575
Date caliber with an instantly jumping calendar and no quickset, shared with the GMT-Master, Datejust and early Sea-Dweller. Hacking seconds added in 1971 (HODINKEE’s Submariner guide and Bob’s 1680 guide give 1972). The rotor bridge is marked 1570.
Automatic · Introduced 1965 · 19,800 vph · 48 h reserve