Seiko Cal. 5210 - 845

This Spring Drive model from 1975 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b50b405b89ac]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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