Seiko Cal. 6686 - 341

This Spring Drive model from 1975 features a 46mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6ed5bc0b4dd3]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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