Seiko Cal. 6641 - 243

Seiko 6641-243

This Spring Drive model from 1973 features a 42mm Titanium case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b5013b35bf72]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1973

Related Models

seikata-wm-b5013b35bf72