Seiko Cal. 6633 - 291

Seiko 6633-291

This Automatic model from 1971 features a 38mm PVD Black case. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-d5980ae1e298]

Also known as: Sumo, Navigator

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1971

Related Models

seikata-wm-d5980ae1e298