Seiko Cal. 7031 - 213

This Spring Drive model from 1986 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-c3d01f518af4]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1986

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