Seiko Cal. 6648 - 753

The 6648-753 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6648 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-3027db15f69e]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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