Seiko Cal. 4490 - 728

Seiko 4490-728

This Quartz model from 1969 features a 38mm Gold-Plated case. Powered by the 4490 caliber with 25j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-a209820fd339]

Also known as: Silverwave

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1969

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seikata-wm-a209820fd339