Seiko Cal. 3870 - 127

This Spring Drive model from 1972 features a 40mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-2a94057f1ad1]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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