Seiko Cal. 7139 - 839

The 7139-839 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7139 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-40b6a36c127a]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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