Seiko Cal. 3872 - 446

Seiko 3872-446

The 3872-446 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ded0c330ce1e]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1976

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