Seiko Cal. 4522 - 437

Seiko 4522-437

The 4522-437 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-1b0f6d685351]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1991

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seikata-wm-1b0f6d685351