Seiko Cal. 5639 - 417

Seiko 5639-417

The Seiko 5639-417 represents an important milestone in Seiko's 1979 lineup. Powered by the 5639 caliber with 27j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-aa873e964322]

Also known as: Sportsmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1979

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