Seiko Cal. 6620 - 673

Seiko 6620-673

The 6620-673 is a sought-after Solar piece from Seiko's golden era. Powered by the 6620 caliber with 20j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a56bbcb64f41]

Also known as: Turtle, UFO

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1984

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