Seiko Cal. 7059 - 491

This Spring Drive model from 1966 features a 37mm Hardlex-Coated Steel case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e9eb0221bf00]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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