Seiko Cal. 4511 - 915

Seiko 4511-915

This Spring Drive model from 1990 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-56f1a4ecdfbe]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1990

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