Seiko Cal. 5650 - 581

The Seiko 5650-581 represents an important milestone in Seiko's 1991 lineup. Powered by the 5650 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-03cdc7991403]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1991

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