Seiko Cal. 5628 - 313

This Kinetic model from 1967 features a 37mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-310c605ddd0f]

Also known as: Monster, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1967

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