Seiko Cal. 6660 - 669

The 6660-669 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6660 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-62b409c0ae98]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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