Seiko Cal. 4557 - 815

The 4557-815 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4557 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-42ad0ae04404]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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