Seiko Cal. 6661 - 726

Seiko 6661-726

This Spring Drive model from 1971 features a 42mm Stainless Steel case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-10229b630e8a]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1971

Related Models

seikata-wm-10229b630e8a