Seiko Cal. 6642 - 533

This Spring Drive model from 1968 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-82ff4340ad19]

Also known as: Turtle, Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1968

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