Seiko Cal. 5656 - 765

This Hand-Winding model from 1977 features a 42mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-6fcb03e6aa09]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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