Seiko Cal. 4431 - 224

This Spring Drive model from 1965 features a 41mm Two-Tone case. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-25826889719b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

Related Models

• Seiko 6271-541
• Seiko 7173-795
• Seiko 4466-216
• Seiko 7136-916
• Seiko 6246-388
• Seiko 5257-801
• Seiko 5689-875
• Seiko 6640-942
• Seiko 3855-536
• Seiko 6214-457
• Seiko 3887-165
• Seiko 6141-105