Single Red · Single Red, No Gas Escape Valve
Sea-Dweller SRSD 1665 — Single Red · Single Red, No Gas Escape Valve
The majority of Single Reds: no valve on the left flank, and a case slightly thinner than later production. Given to divers and pilots who did not work in helium, such as Tektite 1 aquanauts and Deepstar 4000 pilots (e.g. 1,602,913 for Bob Bradley, 1,602,915 for Ian Koblick).
Identifying details
- Red “Sea-Dweller”
Model name “Sea-Dweller” printed in red.
- Date
Date display.
Variants of 1665
Reference overview →| Variant | Production |
|---|---|
| Single Red | 1967–1968 |
| Single Red · Single Red, No Gas Escape ValveCurrent | 1967 |
| Single Red · Single Red, With Gas Escape Valve | 1967–1968 |
| Double Red | 1967–1977 |
Case & movement
- Reference
- 1665
- Production
- 1967
- 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