Seiko Cal. 4418 - 752

This Spring Drive model from 1975 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-6404ab46bb1a]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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