Seiko Cal. 4568 - 939

The Seiko 4568-939 represents an important milestone in Seiko's 1991 lineup. Powered by the 4568 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7f4a9128a4eb]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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