Seiko Cal. 4446 - 537

Seiko 4446-537

The 4446-537 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f2257a89b4fc]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
9.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
18j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1978

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