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AQUADIVE “Time-Depth” 50, 1970s

CHF 1,500


Fine and rare vintage stainless steel AQUADIVE “Time-Depth” Model 50 barrel shaped cased 47mm electric diver’s wristwatch with mechanical depth gauge to 60 meters (200 ft.) made circa 1970s. Powered by modified electronic ESA 9154 movement. ESA/ETA 9154 is not quartz or a tuning fork. Instead this is an electronic movement that uses power from a battery to energise a balance wheel, in the same manner as the stored energy of the mainspring does in a purely mechanical watch. The outer silver bezel can be rotated anti-clockwise to set minutes remaining from 0 to 60.

C. Three-body, polished and brushed, screw done caseback, uni-directional rotating silver bezel, mineral crystal. D. White and black with Arabic numerals from 0 to 200 graduated in feet, luminous hour and minute hands, black center sweep seconds hand, and orange depth gauge hand. Dial marked AQUADIVE, TIME DEPTH, ELECTRONIC, SWISS MADE. M. Electronic Cal. modified ESA 9154, 13 jewels. Dial, case and movement signed. Diam. 47 mm. 

Runs great and all functions work as expected. Please take a look at the photos for condition. Watch is in good condition 6/10, running and ready to wear or gift!


Brand Aquadive
Model Time-Depth Electronic, Model 50
Year 1970s
Movement Electonic HF Dynotron, electronic movement, oil-filled depth gauge complication
Calibre Cal. ESA 9154 (Modified by Aquadive)
Case material Stainless Steel
Case size Ø 47 mm
Bracelet Neutral mesh stainless steel bracelet 
Features Depth gauge, lefthand crown
Box/Papers No box, no papers


In fully working order. Good vintage condition, surface scuffs and scratches through the age. Scratch on the caseback. Lume loss on the hands and in the bezel’s insert. No box, no papers.


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