Seiko Cal. 0723 - 523

The Seiko 0723-523 represents an important milestone in Seiko's 1978 lineup. Powered by the 0723 caliber with 19j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-4be71ee49278]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

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