Seiko Cal. 7138 - 131

This Spring Drive model from 1987 features a 43mm Hardlex-Coated Steel case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-30cd4cfe0505]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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