Seiko Cal. 6664 - 522

Seiko 6664-522

The 6664-522 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6664 caliber with 35j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-97c64fe96b69]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1987

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seikata-wm-97c64fe96b69