Seiko Cal. 5664 - 513

Seiko 5664-513

The 5664-513 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5664 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-81fb8c70059f]

Also known as: Turtle, Bellmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1969

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