Seiko Cal. 5640 - 356

This Kinetic model from 1975 features a 37mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-72fc6c2bdac6]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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