Seiko Cal. 7139 - 564

Seiko 7139-564

This Quartz model from 1977 features a 37mm Two-Tone case. Powered by the 7139 caliber with 32j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-2bfd4957d935]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1977

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