Seiko Cal. 3879 - 380

This Automatic model from 1976 features a 39mm Two-Tone case. Powered by the 3879 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-0bf5724ac8e0]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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