Seiko Cal. 3870 - 376

This Automatic model from 1966 features a 39mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-04b45bd49820]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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