Seiko Cal. 7139 - 399

The Seiko 7139-399 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-61cd0f3c6f09]

Also known as: Navigator, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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