Additional information
| Brand: | IWC |
|---|---|
| Family: | Ingenieur |
| Reference: | IW3540-03(aka: 3540-03, IW354003) |
| Name: | Ingenieur SL Perpetual Calendar / Strap / English |
| Produced: | 1987 - 1992 |
| Limited: | No |
Case
| Material: | Yellow gold |
|---|---|
| Glass: | Sapphire |
| Back: | Closed |
| Shape: | Cushion |
| Diameter: | 34.50 mm |
| W/R: | 30.00 m |
Dial
| Color: | White |
|---|---|
| Indexes: | Stick / Dot |
| Hands: | Stick |
Description
The ref. IW 3540-003 has a yellow gold case and a leather strap. Earlier versions were powered by caliber 35780; later ones (post 1989) feature caliber 35782.
Movement
Movement based on ETA 2892-A2, fitted with perpetual calendar module by Kurt Klaus. Successor to the 3575. Replaced the 35780.
| Type: | Automatic |
|---|---|
| Brand: | IWC |
| Caliber: | 35782 |
| Base: | ETA2892-A2 |
| Display: | Analog |
| Diameter: | 25.60 mm |
| Jewels: | 37 |
| Reserve: | 42 h |
| Frequency: | 28800 bph |
| Time: | Hours, Minutes, Seconds |
| Date: | Date, Day, Leap Year, Month, Perpetual Calendar, Year Indicator |
| Astronomical: | Moonphase |
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