Seiko Cal. 7023 - 581

The Seiko 7023-581 represents an important milestone in Seiko's 1999 lineup. Powered by the 7023 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-aaf52978680a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1999

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