Seiko Cal. 5643 - 349

This Spring Drive model from 1981 features a 39mm Stainless Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-da272ed1a113]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

Related Models

• Seiko 6221-613
• Seiko 0796-264
• Seiko 6282-727
• Seiko 4427-785
• Seiko 5640-452
• Seiko 3825-693
• Seiko 6651-881
• Seiko 5631-458
• Seiko 4596-628
• Seiko 6175-121
• Seiko 6299-553
• Seiko 4521-267