Seiko Cal. 4440 - 756

Seiko 4440-756

The 4440-756 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2216c09cf033]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1969

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