Graph-Paper Guilloché Dial
Ingenieur SL Jumbo 1832 — Graph-Paper Guilloché Dial
Dial guilloché in a chequered grid modelled on an engineer’s graph paper.
Fewer than 600 automatic pieces, mainly steel; 55 in solid gold (Monochrome).
Identifying details
- Integrated bracelet
Metal bracelet designed as one with the case.
- Date
Date display.
- Ingenieur lightning-bolt logo
“Ingenieur” script with the lightning-bolt emblem on the lower dial.
- Graph-paper dial
Dial guilloché in a fine grid resembling graph paper.
- Five-hole bezel
Round screwed bezel with five recesses for the opening tool (Genta-era Ingenieur).
Variants of 1832
Reference overview →| Variant | Production |
|---|---|
| Steel, Black Dial | Undated |
| Steel, Ardoise (Slate) Dial | Undated |
| Steel, Silver (Rhodium) Dial | Undated |
| Graph-Paper Guilloché DialCurrent | Undated |
Case & movement
- Reference
- 1832
- Production
- Undated
- Case diameter
- 40 mm
- Water resistance
- 120 m
- Crystal
- Sapphire
- Movement
- Automatic
- Date
- Yes
- Caliber
- IWC 8541
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
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
Read more
- Dear IWC, Bring Back The Gérald Genta-Designed Ingenieur SL “Jumbo” Ref. 1832Read more at Fratello (opens in a new tab)
- In-Depth: The History of the IWC Ingenieur Collection (70th Anniversary)Read more at Monochrome (opens in a new tab)
- The Collector's Series: Koen's IWC Vintage IngenieurRead more at Monochrome (opens in a new tab)