Seiko Cal. 5637 - 691

This Kinetic model from 1965 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-3b1b95f5d59d]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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