Seiko Cal. 3850 - 431

This Automatic model from 1966 features a 40mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-a2da8029702c]

Also known as: Turtle, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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