Seiko Cal. 7135 - 163

This Spring Drive model from 1991 features a 36mm Gold-Plated case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-604a8ca527cb]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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