Seiko Cal. 5647 - 243

The Seiko 5647-243 represents an important milestone in Seiko's 1991 lineup. Powered by the 5647 caliber with 17j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-88f597393bf7]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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