Seiko Cal. 7051 - 551

This Spring Drive model from 1980 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6fa380085b3e]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1980

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