Seiko Cal. 4448 - 428

Seiko 4448-428

The Seiko 4448-428 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3970d417836a]

Also known as: Shogun, Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1971

Related Models

seikata-wm-3970d417836a