Seiko Cal. 5640 - 804

Seiko 5640-804

This Solar model from 1979 features a 34mm Stainless Steel case. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-ae6d35ae1698]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Burgundy
Jewels
29j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1979

Related Models

seikata-wm-ae6d35ae1698