Seiko Cal. 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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