Nivada Depthomatic 651

Nivada Grenchen. A stainless steel automatic calendar wristwatch with depth gauge

Nivada Grenchen. A stainless steel automatic calendar wristwatch with depth gauge, Model: Depthomatic, Date: Circa 1960, Movement: Jewelled automatic, Dial: Silvered, luminous dot hour markers, baton quarters, black outer rotating bezel, date aperture at 3, polished arrow hands with luminous inserts, centre seconds, Case: Brushed and polished round, screw down back, crown for inner bezel at 2, winding crown at 4, fixed aluminium depth bezel, inner depth meter capillary tube notched to allow water to access a chamber and give depth rating, No.1376M2413, Strap/Bracelet: Associated black rubber, Buckle/Clasp: Associated steel buckle, Signed: Case, dial & movement, Size: 43mm