Seiko Cal. 5228 - 489

The Seiko 5228-489 represents an important milestone in Seiko's 1977 lineup. Powered by the 5228 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-5fbbed52bef2]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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