Seiko Cal. 6642 - 663

The 6642-663 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6642 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-fa86fb2dc473]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1999

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