Seiko Cal. 5637 - 265

This Quartz model from 1988 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-bb4f56888fa4]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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