Seiko Cal. 7139 - 857

The Seiko 7139-857 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-01ad8d23bceb]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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