Seiko Cal. 5630 - 844

The Seiko 5630-844 represents an important milestone in Seiko's 1979 lineup. Powered by the 5630 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-163c4ec21f0a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1979

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