Seiko Cal. 3879 - 239

Seiko 3879-239

The Seiko 3879-239 represents an important milestone in Seiko's 1979 lineup. Powered by the 3879 caliber with 28j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a27db295daac]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1979

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