Seiko Cal. 4540 - 881

Seiko 4540-881

This Spring Drive model from 1988 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-47a5a4a9d188]

Also known as: Rally, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
22j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1988

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seikata-wm-47a5a4a9d188