Seiko Cal. 4440 - 785

Seiko 4440-785

The 4440-785 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-9be5d407f669]

Also known as: Sumo, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1990

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seikata-wm-9be5d407f669