Seiko Cal. 3864 - 719

This Spring Drive model from 1970 features a 43mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d4219497980a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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