Seiko Cal. 4438 - 881

Seiko 4438-881

The 4438-881 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e5ec5521715a]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1992

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seikata-wm-e5ec5521715a