Seiko Cal. 4448 - 350

This Spring Drive model from 1978 features a 40mm Gold-Plated case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-9bc3aa126923]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 6665-109
• Seiko 5682-526
• Seiko 6252-496
• Seiko 6224-713
• Seiko 6372-934
• Seiko 5288-399
• Seiko 4513-139
• Seiko 3817-527
• Seiko 5282-899
• Seiko 4574-252
• Seiko 0789-818
• Seiko 4522-599