Seiko Cal. 3811 - 326

This Automatic model from 1972 features a 37mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-d06782e6fcde]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1972

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