Great White · Great White Mark 2, Rail Dial
Sea-Dweller Rail Dial 1665 — Great White · Great White Mark 2, Rail Dial
The “C”s of “Chronometer” and “Certified” (and the last “E” of “Superlative” and the “Y” of “Officially”) line up, opening a vertical gap in the text; “ft” and “m” are in italics and the base reads “T Swiss T < 25”, found on no other Sea-Dweller. Minute-track marks are longer. Made by Stern for about two years.
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.
- Helium escape valve
One-way valve on the left flank of the case.
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–c. 1979
- 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
Read more
- Reference Points: Understanding The Rolex Sea-DwellerRead more at HODINKEE (opens in a new tab)
- 1665, ‘Great White’ Sea-Dweller, Rail Dial, SteelRead more at Hairspring (opens in a new tab)
- Rolex Oyster Perpetual Date Sea-Dweller Ref. 1665 Rail DialRead more at Iconeek (opens in a new tab)
- The Follow-Up Sea-Dweller: The Great White 1665Read more at Bob's Watches (opens in a new tab)