Seiko Cal. 7128 - 481

This Spring Drive model from 1972 features a 39mm Hardlex-Coated Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7f54f6556ee7]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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