Seiko Cal. 3870 - 915

This Kinetic model from 1970 features a 35mm Two-Tone case. Powered by the 3870 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-f5f688c6667f]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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