Seiko Cal. 3870 - 706

Seiko 3870-706

This Solar model from 1970 features a 37mm Stainless Steel case. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-554897b011d8]

Also known as: Sumo, World Timer

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1970

Related Models

seikata-wm-554897b011d8