Seiko Cal. 4448 - 384

The Seiko 4448-384 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-db256562a9cc]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

Related Models

• Seiko 6199-837
• Seiko 4587-883
• Seiko 4571-606
• Seiko 0778-458
• Seiko 0713-589
• Seiko 3884-794
• Seiko 6668-719
• Seiko 7134-186
• Seiko 7083-225
• Seiko 0751-743
• Seiko 7199-427
• Seiko 6252-265