Seiko Cal. 6691 - 698

This Solar model from 1968 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e04a07420961]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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