Seiko Cal. 5630 - 525

This Hand-Winding model from 1983 features a 36mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-1d0c56ac186d]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1983

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