Seiko Cal. 6664 - 720

The 6664-720 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6664 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-22cde249f406]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1992

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