Seiko Cal. 6648 - 770

Seiko 6648-770

This Automatic model from 1969 features a 41mm Titanium case. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-23c761b3438b]

Also known as: Tuna, World Timer

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
11.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1969

Related Models

seikata-wm-23c761b3438b