Seiko Cal. 3879 - 135

The Seiko 3879-135 represents an important milestone in Seiko's 1973 lineup. Powered by the 3879 caliber with 30j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-54613b15b7f9]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1973

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