Seiko Cal. 5239 - 641

The Seiko 5239-641 represents an important milestone in Seiko's 1965 lineup. Powered by the 5239 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-537fd1de67f3]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1965

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