Seiko Cal. 0789 - 685

The Seiko 0789-685 represents an important milestone in Seiko's 1973 lineup. Powered by the 0789 caliber with 31j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-6081ecca6fe3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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