Seiko Cal. 5679 - 291

The Seiko 5679-291 represents an important milestone in Seiko's 1973 lineup. Powered by the 5679 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-9bc4993279fd]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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