Seiko Cal. 4520 - 643

Seiko 4520-643

The 4520-643 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-b0b1e79718b6]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1970

Related Models

seikata-wm-b0b1e79718b6