Seiko Cal. 6620 - 712

Seiko 6620-712

This Spring Drive model from 1969 features a 38mm Titanium case. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-a3f2dd6f1f2a]

Also known as: Monster, Shogun

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
38mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1969

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