Seiko Cal. 6641 - 519

The 6641-519 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6641 caliber with 20j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0b1ba868c831]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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