Seiko Cal. 6638 - 980

Seiko 6638-980

This Solar model from 1974 features a 45mm Titanium case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-8278c813ad33]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1974

Related Models

seikata-wm-8278c813ad33