Seiko Cal. 4418 - 428

Seiko 4418-428

The 4418-428 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-98390c48cc8e]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1982

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seikata-wm-98390c48cc8e