Seiko Cal. 4445 - 223

Seiko 4445-223

The 4445-223 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 70m of water resistance. [seikata-wm-1c418d48c2be]

Also known as: Tuna, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1976

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