Brand International Watch Company, IWC, Schaffhausen / Schaffhouse
Model “GST Aquatimer Chronograph-Automatic Gold”
Year circa 2009-2014
Reference 3769-03
Calibre 89361, 31 jewels
Case No. 483 890
Material/s pink gold (18-carat)
Bracelet black rubber IWC strap
Buckle pink gold (18-carat) IWC buckle
Dimensions Ø 45.4 mm. (bezel)
51 x 45.4 mm.
Thickness 15.9 mm.
Weight 187.2 gr. (approx.)
Signature dial, case and movement Pink gold (18-carat), self-winding, round-shaped, large diver’s wristwatch, 60-minute graduated unidirectional revolving pink gold bezel with black and red insert for the decompression time, with subsidiary seconds at 6 o’clock and four horological complications:
• Fly-back “retour en vol” 1/8 chronograph (activated by the two round-shaped push-pieces located on the case-band)
• Co-axial dragging 60-minute recorder (subsidiary dial at 12 o’clock) and
• 12-hour recorder (subsidiary dial at 12 o’clock)
• Half-instantaneous date of the month (aperture at 6 o’clock) Case: three-piece, polished and satin-finished, water-resistant with sapphire-crystal screwed case-back, polished and black rubber “IWC” screwed winding-crown; graduated bezel to indicate decompression time operated by the hand. Dial: black colour, with radial luminescent pink gold indexes, black and silver colours auxiliary dials; pink gold skeleton luminescent “Baton” hands. Movement: calibre 89361, 13’’’ ¼, 38 jewels.
