Seiko Cal. 6139 - 577

The 6139-577 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6139 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-b0734c4d229e]

Also known as: UFO, Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1988

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