Seiko Cal. 6641 - 343

The Seiko 6641-343 represents an important milestone in Seiko's 1987 lineup. Powered by the 6641 caliber with 33j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-001eabd697f8]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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