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Lot 232
Nivada Grenchen. An unusual stainless steel automatic Divers watchDepthomatic, Circa 1960
11 June 2013, 13:00 BST
London, New Bond StreetSold for £1,625 inc. premium
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Nivada Grenchen. An unusual stainless steel automatic Divers watch
Depthomatic, Circa 1960
21-jewelled ETA 2472 automatic movement, black dial with luminous dot hour markers and luminous filled steel baton quarters, date aperture at 3, calibrated inner bezel rotated by crown at 2, luminous filled broad arrow hands with luminous dot tipped centre seconds, fixed aluminium depth bezel, setting crown at 4, inner depth meter capillary tube notched to allow water to access a chamber and give depth rating, screw on case back, fitted grey silicon tropical strap and steel buckle, case, dial and movement signed 43mm.
21-jewelled ETA 2472 automatic movement, black dial with luminous dot hour markers and luminous filled steel baton quarters, date aperture at 3, calibrated inner bezel rotated by crown at 2, luminous filled broad arrow hands with luminous dot tipped centre seconds, fixed aluminium depth bezel, setting crown at 4, inner depth meter capillary tube notched to allow water to access a chamber and give depth rating, screw on case back, fitted grey silicon tropical strap and steel buckle, case, dial and movement signed 43mm.
Footnotes
The hollow air filled tube on these depthomatic / depthografs is the simple Boyles law, where the volume air in the tube is halved for every 1 atmosphere / 10meters / 33feet.
























