Silver Dial
Ingenieur 866 AD — Silver Dial
Undated
Silver-dial date model, the more common colour.
No verified image of this watch yet
Identifying details
- Date
Date display.
- Ingenieur lightning-bolt logo
“Ingenieur” script with the lightning-bolt emblem on the lower dial.
- Soft-iron inner case
Soft-iron inner case and dial forming a cage that shields the movement from magnetic fields.
Variants of 866 AD
Reference overview →| Variant | Production |
|---|---|
| Black Dial | Undated |
| Silver DialCurrent | Undated |
Case & movement
- Reference
- 866 AD
- Production
- Undated
- Case material
- Stainless steel
- Case diameter
- 37 mm
- Water resistance
- 120 m
- Movement
- Automatic
- Date
- Yes
- Caliber
- IWC 8541
Dial, bezel & hands
Movement
IWC 8541
1964 update of the 85 family: slightly smaller, with stop-seconds, improved drop adjustment and an eccentric regulator. 8541B uses a Greiner-type collet; 8541ES has antimagnetic parts. Used in the 866 AD and the Ingenieur SL 1832. The time-only version is the 854.
Automatic · Introduced 1964 · 21 / 25 / 28 jewels · Ø 28 mm · 5.88 mm thick