Seiko Cal. 5648 - 657

Seiko 5648-657

This Spring Drive model from 1972 features a 46mm Stainless Steel case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-f81388d01588]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1972

Related Models

seikata-wm-f81388d01588