Seiko Cal. 4556 - 621

The 4556-621 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4556 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-eca53080ccbf]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1988

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