Seiko Cal. 4581 - 957

Seiko 4581-957

The 4581-957 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-93c19ec61e95]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1973

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