18k Yellow Gold
Turn-O-Graph Thunderbird 6609 — 18k Yellow Gold
Undated
Solid-gold 6609 with matching gold rotating bezel. Antiquorum examples: cases 328,666 and 384,563 (both c.1957). Case 328,666 had its bezel swapped for a fluted one at a later service.
Identifying details
Variants of 6609
Reference overview →| Variant | Production |
|---|---|
| 18k Yellow GoldCurrent | Undated |
| Steel, White-Gold Bezel | Undated |
| Thunderbirds Insignia | Undated |
Case & movement
- Reference
- 6609
- Production
- Undated
- Case material
- 18k yellow gold
- Case diameter
- 36 mm
- Movement
- Automatic
- Date
- Yes
- Caliber
- Rolex 1065
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Rolex 1065
Second GMT caliber of the ref. 6542; also found in the yellow-gold 6542.
Automatic · 25 jewels