Seiko Cal. 4554 - 556

The 4554-556 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d6efb9cdac3f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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