Seiko Cal. 4439 - 830

This Spring Drive model from 1972 features a 42mm Hardlex-Coated Steel case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-8b735da1fc4e]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

Related Models

• Seiko 5645-279
• Seiko 7089-473
• Seiko 6338-277
• Seiko 5696-851
• Seiko 6373-375
• Seiko 5226-876
• Seiko 7023-545
• Seiko 6251-248
• Seiko 0775-989
• Seiko 0764-804
• Seiko 6281-235
• Seiko 7190-397