Seiko Cal. 4439 - 137

Seiko 4439-137

This Spring Drive model from 1975 features a 45mm Gold-Plated case. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-d22dda744cd7]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1975

Related Models

seikata-wm-d22dda744cd7