Seiko Cal. 4440 - 372

Seiko 4440-372

The 4440-372 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-aa044b99f8df]

Also known as: Samurai, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1973

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