Description

Details

IWC - IW3712-07

Portuguese Chrono-Rattrapante Open Caseback

Brand:	IWC
Family:	Portugieser
Reference:	IW3712-07(aka: 3712-07, IW371207)
Name:	Portuguese Chrono-Rattrapante Open Caseback
Produced:	1996 - 2004
Limited:	Yes, 100 units

Case

Material:	Stainless Steel
Glass:	Sapphire
Back:	Open
Diameter:	40.90 mm
Height:	12.30 mm
W/R:	30.00 m

Dial

Color:	Silver
Indexes:	Arabic Numerals
Hands:	Feuille

Description

The ref. IW3712-07 is a limited edition of 100 pieces of the Portuguese Chrono-Rattrapante with a sapphire caseback.

Movement

Rattrapante movement based on Valjoux 7750/ 7760. Rattrapante module developed by Richard Habring for IWC. 27-31 jewels depending on year of execution.

Type:	Handwound
Brand:	IWC
Caliber:	76240
Base:	ETA7750
Display:	Analog
Diameter:	30.00 mm
Jewels:	31
Reserve:	44 h
Frequency:	21600 bph
Time:	Hours, Minutes
Chronograph:	Chronograph, Rattrapante