Seiko Cal. 6366 - 523

Seiko 6366-523

This Solar model from 1971 features a 44mm Hardlex-Coated Steel case. Powered by the 6366 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-490fed151bfd]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
20j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1971

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