Seiko Cal. 4576 - 940

The 4576-940 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4576 caliber with 25j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3dd4e47e98be]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1995

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