Seiko Cal. 7135 - 327

This Hand-Winding model from 1971 features a 41mm Hardlex-Coated Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6668c6152aa5]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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