Seiko Cal. 0720 - 403

The 0720-403 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4cbfdc0ba469]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1989

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