Seiko Cal. 7193 - 631

The Seiko 7193-631 represents an important milestone in Seiko's 1976 lineup. Powered by the 7193 caliber with 20j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-063a2ede8d10]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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