Seiko Cal. 4520 - 644

Seiko 4520-644

The 4520-644 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ace3437c1bb8]

Also known as: Panda, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
19j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1994

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