Seiko Cal. 7039 - 542

This Automatic model from 1974 features a 40mm Two-Tone case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ca1df71f28f8]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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