Seiko Cal. 3890 - 131

This Automatic model from 1966 features a 37mm PVD Black case. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4eb4720baa0d]

Also known as: Turtle, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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