Seiko Cal. 4561 - 990

Seiko 4561-990

The 4561-990 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-d83c10bcf982]

Also known as: UFO, Arnie

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1975

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