Seiko Cal. 4557 - 348

This Spring Drive model from 1999 features a 43mm Titanium case. Powered by the 4557 caliber with 30j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b7b2d8d7064a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1999

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