Seiko Cal. 4428 - 457

Seiko 4428-457

The 4428-457 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-29494a8e603f]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1982

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seikata-wm-29494a8e603f