Seiko Cal. 3881 - 635

Seiko 3881-635

This Solar model from 1966 features a 40mm Titanium case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-670008d44dbe]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1966

Related Models

seikata-wm-670008d44dbe