Seiko Cal. 6660 - 704

The 6660-704 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6660 caliber with 17j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-9423c421e711]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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