Seiko Cal. 4431 - 155

Seiko 4431-155

This Spring Drive model from 1993 features a 44mm Stainless Steel case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-b48e2a0cebe9]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Burgundy
Jewels
25j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1993

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