Seiko Cal. 6239 - 438

The Seiko 6239-438 represents an important milestone in Seiko's 1977 lineup. Powered by the 6239 caliber with 32j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8edb7b4d4423]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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