Seiko Cal. 4564 - 677

This Hand-Winding model from 1981 features a 45mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e50890815fa1]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1981

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