Seiko Cal. 6657 - 582

Seiko 6657-582

This Automatic model from 1977 features a 45mm Two-Tone case. Powered by the 6657 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-cc3a52a37672]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1977

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