Seiko Cal. 6644 - 833

The Seiko 6644-833 represents an important milestone in Seiko's 1999 lineup. Powered by the 6644 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-8bb52b4d9e58]

Also known as: Goldfeather, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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