Seiko Cal. 4537 - 220

This Hand-Winding model from 1969 features a 41mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-7223243bd362]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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