Seiko Cal. 6641 - 821

The Seiko 6641-821 represents an important milestone in Seiko's 1967 lineup. Powered by the 6641 caliber with 34j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-674e06d2f319]

Also known as: Pogue, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1967

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