Seiko Cal. 4516 - 903

The 4516-903 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4516 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ed308ceb87ee]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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