Seiko Cal. 4554 - 728

The 4554-728 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e80f1317e5f1]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1996

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