Seiko Cal. 3851 - 767

This Spring Drive model from 1967 features a 43mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-16dbc99a5f85]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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