Seiko Cal. 6139 - 687

Seiko 6139-687

This Quartz model from 1979 features a 40mm Stainless Steel case. Powered by the 6139 caliber with 33j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-431f7a9bf1d7]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1979

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seikata-wm-431f7a9bf1d7