Seiko Cal. 6645 - 447

The 6645-447 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6645 caliber with 29j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-b84d8e68b522]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1997

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