Seiko Cal. 3864 - 909

This Spring Drive model from 1975 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-e8d0330c04fb]

Also known as: Turtle, Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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