Seiko Cal. 4453 - 238

This Hand-Winding model from 1978 features a 37mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-be32fc4d7d00]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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