Seiko Cal. 5631 - 561

This Kinetic model from 1974 features a 41mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-144b193f7a40]

Also known as: Sea Horse, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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