Seiko Cal. 6657 - 586

Seiko 6657-586

This Quartz model from 1979 features a 34mm Two-Tone case. Powered by the 6657 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-7d176b28a620]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
34mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1979

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seikata-wm-7d176b28a620