Seiko Cal. 4521 - 752

This Hand-Winding model from 1980 features a 35mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-de931bec3fb1]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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