Seiko Cal. 5636 - 448

This Quartz model from 1992 features a 37mm Gold-Plated case. Powered by the 5636 caliber with 17j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-64112d889049]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1992

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