Seiko Cal. 7139 - 775

The 7139-775 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7139 caliber with 28j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a60916eda5d7]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1996

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