Seiko Cal. 0721 - 867

The Seiko 0721-867 represents an important milestone in Seiko's 1976 lineup. Powered by the 0721 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-5142242fd2d0]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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