Special Order Nude Dial (1965)
Ingenieur 666 A — Special Order Nude Dial (1965)
1965
Unique documented special order through van Hattum, The Hague, delivered 16 June 1965: white dial with only the IWC logo and “Ingenieur”, no seconds hand, black-filled Mark XI hands, on a Fixoflex bracelet.
No verified image of this watch yet
Identifying details
- Unique piece
Documented as the only example made (e.g. marked “1/1”).
- Soft-iron inner case
Soft-iron inner case and dial forming a cage that shields the movement from magnetic fields.
Variants of 666 A
Reference overview →| Variant | Production |
|---|---|
| Calibre 852, Steel | 1955–1958 |
| Calibre 853, Steel | 1958–1963 |
| Yellow Gold | Undated |
| Special Order Nude Dial (1965)Current | 1965 |
Case & movement
- Reference
- 666 A
- Production
- 1965
- Case serials
- Case material
- Stainless steel
- Case diameter
- 36.5 mm
- Water resistance
- 100 m
- Crystal
- Acrylic (Plexiglas)
- Movement
- Automatic
More specifications (2)
- Date
Movement
IWC 852
Pellaton-wound automatic descended from the calibre 85: two pawls driven by a cam wind in both rotor directions. Self-compensating Breguet balance spring and fine regulator. The first Ingenieur ; 8521 is the date version.