Seiko Cal. 5638 - 575

This Hand-Winding model from 1976 features a 39mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-717cc570040b]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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