Seiko Cal. 4554 - 403

The 4554-403 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4554 caliber with 30j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b4c93093caf9]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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