Seiko Cal. 4530 - 990

The 4530-990 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4530 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-ffccc2effefd]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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