Seiko Cal. 7021 - 874

The Seiko 7021-874 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5a2a6351d994]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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