Seiko Cal. 5673 - 637

Seiko 5673-637

This Hand-Winding model from 1973 features a 45mm Two-Tone case. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-b4c710daf062]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1973

Related Models

seikata-wm-b4c710daf062