Seiko Cal. 4534 - 652

This Spring Drive model from 1967 features a 37mm Two-Tone case. Powered by the 4534 caliber with 20j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6931f17dee2c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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