Seiko Cal. 5681 - 530

This Solar model from 1971 features a 37mm Two-Tone case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a22b3d128514]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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