Seiko Cal. 5647 - 844

The Seiko 5647-844 represents an important milestone in Seiko's 1997 lineup. Powered by the 5647 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-f633c73a2589]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1997

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