Seiko Cal. 5613 - 641

Released in 1968, the Cal. 5613 with design code 641 was part of Seiko's domestic market collection. Powered by the 5613 caliber with 20j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-2baf9bca6a75]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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