Seiko Cal. 6139 - 288

Released in 1980, the Cal. 6139 with design code 288 was part of Seiko's domestic market collection. Powered by the 6139 caliber with 18j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-d6730cd0069a]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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