Seiko Cal. 5218 - 691

This Automatic model from 1968 features a 43mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-ffe4c8f9d22f]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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