Seiko Cal. 4512 - 742

Seiko 4512-742

The 4512-742 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-f8c3f1874df1]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1992

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