Seiko Cal. 4478 - 751

The 4478-751 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4478 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-15e57e936cdd]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1967

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