Seiko Cal. 3881 - 645

Seiko 3881-645

This Automatic model from 1997 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-50b0f27bfef3]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1997

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