Seiko Cal. 7139 - 310

The Seiko 7139-310 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-2cf2e9d9ade1]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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