Seiko Cal. 5642 - 756

This Spring Drive model from 1968 features a 35mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-ce3545f0b74c]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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