Seiko Cal. 5673 - 645

The 5673-645 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5673 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-effc4775e533]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1995

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