Seiko Cal. 4554 - 183

This Spring Drive model from 1999 features a 46mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-e5afded941fb]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1999

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