Seiko Cal. 3851 - 593

This Quartz model from 1968 features a 40mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-773c7679caac]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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