Seiko Cal. 4530 - 812

The Seiko 4530-812 represents an important milestone in Seiko's 1965 lineup. Powered by the 4530 caliber with 23j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-6d8608612fbb]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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