Seiko Cal. 4536 - 120

This Hand-Winding model from 1983 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c2f190c63947]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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