Seiko Cal. 7139 - 470

The Seiko 7139-470 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7d6bc455c76a]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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