Seiko Cal. 4531 - 918

Seiko 4531-918

This Automatic model from 1980 features a 45mm Two-Tone case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-e64f7c5f5acb]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1980

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