Seiko Cal. 6646 - 241

The Seiko 6646-241 represents an important milestone in Seiko's 1965 lineup. Powered by the 6646 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ee137edb3bc2]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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