Seiko Cal. 5221 - 451

This Spring Drive model from 1997 features a 37mm Stainless Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e8922b3c8596]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1997

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