Seiko Cal. 5648 - 962

This Spring Drive model from 1982 features a 43mm Gold-Plated case. Powered by the 5648 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-a5c3b34b7a3c]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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