Seiko Cal. 5221 - 278

The Seiko 5221-278 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-986402687ce5]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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