Seiko Cal. 5613 - 279

The Seiko 5613-279 represents an important milestone in Seiko's 1978 lineup. Powered by the 5613 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-9c16a851e73e]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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