Seiko Cal. 6642 - 901

This Solar model from 1974 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2ffbccb9cd34]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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