Seiko Cal. 4428 - 781

Seiko 4428-781

This Solar model from 1995 features a 46mm Stainless Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-0673ad330a38]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1995

Related Models

seikata-wm-0673ad330a38