Seiko Cal. 4478 - 751

Seiko 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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