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IWC
Ingenieur SL Perpetual Calendar / Strap / English
Reference IW3540-03 (aka: 3540-03, IW354003)
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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.
- Brand
- IWC
- Model
- Ingenieur SL Perpetual Calendar / Strap / English
- Reference
- IW3540-03 (aka: 3540-03, IW354003)
- Category
- Ingenieur
- Movement
- IWC caliber 35782 Hours, Minutes, Seconds | Date, Day, Leap Year, Month, Perpetual Calendar, Year Indicator | Moonphase
- Case material
- Yellow Gold
- Case diameter
- 34.5 mm
- Dial color
- White
- Crystal
- Sapphire
- Case back
- Closed
- Water resistance
- 30 m
- Complications
- Date, Day, Moon Phase, Perpetual Calendar