Seiko Cal. 7057 - 420

This Spring Drive model from 1971 features a 43mm Titanium case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-548b02b75b69]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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