Seiko Cal. 6660 - 357

The 6660-357 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6660 caliber with 18j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-c7d474575b1e]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1999

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