Seiko Cal. 4448 - 320

The Seiko 4448-320 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c424ae821c7d]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

Related Models

• Seiko 6267-449
• Seiko 4490-575
• Seiko 5294-133
• Seiko 4468-681
• Seiko 6294-471
• Seiko 5672-904
• Seiko 5681-923
• Seiko 4475-154
• Seiko 5289-170
• Seiko 6291-307
• Seiko 3879-717
• Seiko 4580-775