Seiko Cal. 3870 - 713

This Spring Drive model from 1965 features a 37mm Stainless Steel case. Powered by the 3870 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d73192a52cfd]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

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