Seiko Cal. 7139 - 425

The 7139-425 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7139 caliber with 23j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-93be0c660cc0]

Also known as: Goldfeather, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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