Seiko Cal. 4555 - 203

The 4555-203 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4555 caliber with 27j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-37def712eafa]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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