Seiko Cal. 5676 - 643

This Quartz model from 1966 features a 41mm PVD Black case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-49193da2da72]

Also known as: Turtle, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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