Seiko Cal. 4522 - 842

This Spring Drive model from 1968 features a 46mm Stainless Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f4e6f6ab5f74]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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