IWC Big Ingenieur

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Template:File Template:File Template:File Big Ingenieur (Ref. 5005, "Grosse Ingenieur" in German) is a larger version of the Ingenieur wristwatch produced by IWC between 2007 and 2011.

Overview

In contrast to the standard model of the Ingenieur, which has a soft-iron inner case, the large version (with 45.4 mm case diameter) features the large IWC caliber 51113 with automatic Pellaton winding system and seven days power reserve. This high-quality manufacture movement can be admired through a sapphire crystal caseback. In addition to the date display, there is also a power reserve indicator.

The stainless steel version launched first in 2007, with the gold and platinum models following in 2008. The steel version features a black dial and either a black alligator strap or steel bracelet, Ref. IW500501 and IW500505, respectively. The heavy platinum and gold references (IW500502 and IW500503) have a silver dial and black or brown alligator strap. All standard Big Ingenieur models feature the Arabic numeral 12 alone on the dial, with other hours marked with lumed bars.

A special edition, IW500508, was issued in 2011 as a tribute to football player, Zinédine Zidane. In addition to a brown dial, it features the sole Arabic numeral 10 in red and "10" in the rotor medallion. 500 examples were produced.

See Also

Reference:

IW500501 stainless steel, black dial
IW500502 platinum, silver dial
IW500503 rose gold, silver dial
IW500505 stainless steel, black dial, stainless steel bracelet
IW500808 stainless steel, brown dial

Movement:

Self-winding movement IWC 51113, 21,600 A/h
Pellaton winding system
Glucydur balance with fine adjustment eccentric and Breguet hairspring
42 jewels
Power reserve 168 h (7 days)

Case:

Stainless steel / platinum / 18 ct rose gold
ø 45.4 mm, H 15 mm
Screw-in crown
Domed sapphire crystal with anti-glare treatment on both sides
Sapphire crystal caseback
Waterproof to 12 atm

Dial:

Silvered / indices rhodinated / luminescent
Variant: Black

Functions:

Hours, minutes, central seconds, date
Power reserve indicator

Bracelet:

Crocodile leather strap with tang-type buckle
Stainless steel version: optional with stainless steel bracelet