Seiko Cal. 4551 - 324

The 4551-324 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-bcbd34d99b6b]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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