Seiko Cal. 4551 - 731

The 4551-731 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3acdcc251bb2]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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