IWC Aquatimer Chronograph – 44mm Cousteau IW378201 – Blue Dial – Wood Inlay

IWC Aquatimer Chronograph Cousteau Divers 44mm
Reference IW378201 • 300M Dive Chronograph • Discontinued Cousteau Series
This IWC Aquatimer Chronograph Cousteau Divers represents one of the most recognizable modern dive chronographs produced by IWC Schaffhausen. Designed as part of the historic Cousteau collaboration, this reference combines serious dive capability with IWC’s utilitarian tool watch aesthetic.

The deep blue dial, internal rotating dive bezel, and wood-inlaid caseback paying tribute to the research vessel Calypso make this a standout piece within the Aquatimer line. This example is offered as a naked watch only, ideal for collectors who prioritize the watch itself over packaging.

Brand IWC Schaffhausen
Model Aquatimer Chronograph Cousteau Divers
Reference IW378201
Case Size 44 mm
Case Material Stainless Steel
Dial Blue with luminous markers and orange accents
Movement Automatic IWC Caliber 79320
Functions Chronograph, Day, Date
Bezel Internal rotating dive bezel
Crystal Sapphire
Water Resistance 300 meters
Strap IWC Rubber Strap with Steel Pin Buckle
Condition is presentation-level with a clean, strong on-wrist appearance consistent with careful ownership. The watch has been professionally inspected, tested, and confirmed fully functional.

Included: Watch only. No box or papers.

The Cousteau Divers series holds a unique place within IWC’s catalog, blending functional dive engineering with a direct connection to Jacques-Yves Cousteau’s ocean exploration legacy. The wood-inlaid caseback featuring the Calypso vessel is exclusive to this line and is no longer produced.

Shipping via FedEx, fully insured and signature required. Video call previews available upon request prior to shipment.

Wrist Flex Timepieces specializes in luxury and collector-grade watches, handling hundreds of transactions annually with an emphasis on authenticity, transparency, and professional service.

IWC Aquatimer Chronograph Cousteau Divers IW378201 blue dial dive watch IWC Cousteau Aquatimer 44mm IWC chronograph diver internal bezel Calypso caseback