Seiko Cal. 5673 - 313

The Seiko 5673-313 represents an important milestone in Seiko's 1975 lineup. Powered by the 5673 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-83cad8b6a414]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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