Seiko Cal. 5664 - 461

The Seiko 5664-461 represents an important milestone in Seiko's 1994 lineup. Powered by the 5664 caliber with 23j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-c65e6570f400]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1994

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