Seiko Cal. 0721 - 512

The Seiko 0721-512 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-854cb21179fc]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

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