Seiko Cal. 4556 - 666

The 4556-666 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4556 caliber with 35j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-90fa48b1c1ac]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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