Seiko Cal. 5643 - 644

This Hand-Winding model from 1971 features a 43mm Gold-Plated case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-9728346aa461]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

Related Models

• Seiko 4584-606
• Seiko 3825-933
• Seiko 4426-948
• Seiko 4433-864
• Seiko 6397-394
• Seiko 5675-375
• Seiko 5665-666
• Seiko 0728-424
• Seiko 7068-302
• Seiko 7172-261
• Seiko 5216-634
• Seiko 4470-997