Seiko Cal. 3818 - 440

Seiko 3818-440

This Spring Drive model from 1995 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-f307fca6046e]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1995

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