Seiko Cal. 5687 - 140

This Solar model from 1992 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fb9eadbbe2a8]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1992

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