Seiko Cal. 6657 - 584

Seiko 6657-584

This Solar model from 1977 features a 37mm Gold-Plated case. Powered by the 6657 caliber with 28j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-45130b13a97b]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1977

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seikata-wm-45130b13a97b