Seiko Cal. 3836 - 964

This Automatic model from 1970 features a 40mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-7e0ab497581c]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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