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IWC Schaffhausen Aquatimer Chronograph "Cousteau Divers"

IWC Schaffhausen Aquatimer Chronograph "Cousteau Divers"

AutomaticSteel

Ref. IW378101

Collection: AquatimerCase size: 43mmMovement: 79320

The IWC Aquatimer Chronograph "Cousteau Divers", reference IW378101, is a chronograph with a 43 mm steel case. A screw-down crown is set into the case, which measures 15 mm thick. Self-winding calibre 79320 has a 44-hour power reserve and 25 jewels. The blue dial has a day and date display and small hacking seconds beneath convex sapphire glass with antireflective coating on both sides. A water-resistance rating of 120 metres applies to the case. The movement has Côtes de Genève and perlage decoration. The watch is on a blue rubber strap.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

43mm

Thickness

15mm

Lug Width

16mm

Case Material

Steel

Water Resistance

120m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

79320

Power Reserve

44h

Frequency

28,800 vph (4 Hz)

Jewels

25 jewels

DIAL

Dial Color

Blue

BRACELET/STRAP

Bracelet/Strap

Rubber

FEATURES & COMPLICATIONS

ChronographDateRotating BezelScrew-Down CrownSmall secondsWeekday

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