Seiko Cal. 5228 - 654

The Seiko 5228-654 represents an important milestone in Seiko's 1991 lineup. Powered by the 5228 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-b73542cbf7f7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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