Seiko Cal. 7138 - 985

The 7138-985 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7138 caliber with 22j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-365855c6250d]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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