Seiko Cal. 7139 - 170

The Seiko 7139-170 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-b240794b5a66]

Also known as: Bullhead, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1968

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