Seiko Cal. 5278 - 635

This Kinetic model from 1974 features a 37mm Gold-Plated case. Powered by the 5278 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f715e236819e]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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