Seiko Cal. 0747 - 400

This Spring Drive model from 1967 features a 43mm Two-Tone case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-8f37fbb9c2ff]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1967

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