Brand: Seiko
Model: 61 Diver Professional 300m
Reference Number: 6159-7001
Year of Production: March 1969
Case Material: Stainless Steel
Movement: Seiko 6159, Automatic, High-Beat
Strap: Rubber
Dimensions: 44 mm
Gender: Men
Dial: Black with luminous markers, date at 3 o’clock
Condition: Good (with visible signs of wear)
Signed: Case, dial, movement
Buckle: Stainless steel pin buckle


The Seiko 61 Diver Professional 300m, reference 6159-7001, is a legendary model in the realm of diving watches. Produced in March 1969, it was one of Seiko’s first high-performance watches designed specifically for professional diving. The 44 mm stainless steel monobloc case is robust and durable, equipped with a screw-down crown and Hardlex glass to ensure water resistance up to 300 meters. The black dial, with luminous markers and hands, provides exceptional readability even in the depths of the ocean. Powered by the high-frequency 6159 caliber (10 beat), this watch represents technical excellence, combining precision and durability. Notably, it features a replaceable countdown bezel, a unique detail reflecting Seiko's attention to the needs of divers. Despite the visible signs of wear on the case, bezel and glass, the watch retains its charm and functionality.