Seiko Cal. 4557 - 150

Seiko 4557-150

The 4557-150 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-796dcc86a73a]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1969

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