Seiko Cal. 6647 - 187

The 6647-187 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6647 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-189ee62030b7]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1999

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