Seiko Cal. 4428 - 599

This Hand-Winding model from 1974 features a 39mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-0f09081ffcde]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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