Seiko Cal. 6155 - 139

The 6155-139 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6155 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e51e30ccd3bf]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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