Seiko Cal. 7081 - 723

This Spring Drive model from 1973 features a 41mm Stainless Steel case. Powered by the 7081 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-3914e77d6158]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1973

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