Seiko Cal. 5621 - 751

The Seiko 5621-751 represents an important milestone in Seiko's 1991 lineup. Powered by the 5621 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-e74c6f434792]

Also known as: Bellmatic, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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