Reversible Dual Time (circa 1970)
Tonneau (1910s–1990s, reference not stated) — Reversible Dual Time (circa 1970)
c. 1970–?
Very rare circa 1970 gold Tonneau with a reversible case giving a second time zone.
No reference inferred from case numbers.
No verified image of this watch yet
Identifying details
- Dual time
Shows a second time zone, e.g. on a second dial.
- Reversible case
Watch head pivots within its frame to hide the dial.
Variants of (1910s–1990s, reference not stated)
Reference overview →| Variant | Production |
|---|---|
| Circa 1915, White and Yellow Gold | c. 1915–? |
| Circa 1920, Platinum and Yellow Gold | c. 1920–? |
| Tonneau Cintrée, Platinum (1927–30) | c. 1927–c. 1930 |
| Tonneau Curvex (circa 1925) | c. 1925–? |
Case & movement
- Reference
- Tonneau (1910s–1990s, reference not stated)
- Production
- c. 1970–?
- Case material
- 18k yellow gold
- Case size
- 35 × 24 mm
- Movement
- Manual winding
Dial, bezel & hands
Unknown attributes are left out rather than guessed.