Seiko Cal. 6620 - 557

Seiko 6620-557

This Solar model from 1993 features a 46mm Gold-Plated case. Powered by the 6620 caliber with 19j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-1e0ed7a5eadc]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1993

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