Seiko Cal. 5639 - 599

The Seiko 5639-599 represents an important milestone in Seiko's 1981 lineup. Powered by the 5639 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-afee736b3806]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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