Seiko Cal. 7139 - 785

The 7139-785 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6130d5589f7b]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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