Seiko Cal. 6646 - 901

Seiko 6646-901

This Spring Drive model from 1977 features a 42mm Gold-Plated case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-82d04e15bc13]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
29j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1977

Related Models

seikata-wm-82d04e15bc13