Seiko Cal. 6646 - 745

The 6646-745 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6646 caliber with 30j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-cd0c3ae232eb]

Also known as: Rally, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

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