Seiko Cal. 5652 - 146

This Spring Drive model from 1975 features a 38mm Titanium case. Powered by the 5652 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-9b637e032dff]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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