Seiko Cal. 5641 - 989

This Hand-Winding model from 1969 features a 36mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-4e92f9c40ff7]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

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