Seiko Cal. 4428 - 661

Seiko 4428-661

The Seiko 4428-661 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-15f74b48dc1f]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1973

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