Seiko Cal. 4520 - 660

Seiko 4520-660

This Hand-Winding model from 1997 features a 39mm Hardlex-Coated Steel case. Powered by the 4520 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-58de98c976b8]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1997

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seikata-wm-58de98c976b8