Seiko Cal. 4428 - 788

Seiko 4428-788

This Solar model from 1983 features a 38mm Gold-Plated case. Powered by the 4428 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-d0ba21e9e395]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1983

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seikata-wm-d0ba21e9e395