Seiko Cal. 5613 - 930

This Spring Drive model from 1972 features a 40mm Gold-Plated case. Powered by the 5613 caliber with 31j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-83bac0009da2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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