Seiko Cal. 3857 - 440

Seiko 3857-440

The 3857-440 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-537fa819117c]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1982

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