Seiko Cal. 6690 - 977

Seiko 6690-977

This Automatic model from 1970 features a 39mm Stainless Steel case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-5691e11f560a]

Also known as: Bullhead, Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1970

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seikata-wm-5691e11f560a