Seiko Cal. 0721 - 553

The Seiko 0721-553 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-6e5a6bf4be55]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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