Seiko Cal. 7139 - 718

The Seiko 7139-718 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a393e94e5778]

Also known as: Arnie, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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