Seiko Cal. 4489 - 365

Seiko 4489-365

This Hand-Winding model from 1980 features a 45mm Hardlex-Coated Steel case. Powered by the 4489 caliber with 18j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-e84eae6893fc]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1980

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