Seiko Cal. 5691 - 877

This Solar model from 1966 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-88f9c77f3f41]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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