Seiko Cal. 4540 - 288

This Solar model from 1981 features a 39mm Gold-Plated case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a7220afd153e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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