Seiko Cal. 4563 - 439

This Hand-Winding model from 1975 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-240984dd685b]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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