Seiko Cal. 7148 - 438

This Spring Drive model from 1982 features a 35mm Gold-Plated case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1ada02fae70f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1982

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