Seiko Cal. 6643 - 654

The 6643-654 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6643 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-c2fb20d8a445]

Also known as: Silverwave, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1999

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