Seiko Cal. 6644 - 292

The 6644-292 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6644 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-68a351f30ac5]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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