Seiko Cal. 3879 - 538

The Seiko 3879-538 represents an important milestone in Seiko's 1966 lineup. Powered by the 3879 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a0475620190a]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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