Seiko Cal. 7139 - 422

The Seiko 7139-422 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9e8fa6347260]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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