Seiko Cal. 6646 - 394

The Seiko 6646-394 represents an important milestone in Seiko's 1990 lineup. Powered by the 6646 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-1573c9efdeea]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1990

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