Seiko Cal. 6690 - 679

Seiko 6690-679

This Spring Drive model from 1981 features a 43mm Gold-Plated case. Powered by the 6690 caliber with 35j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-222d15a6ccce]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1981

Related Models

seikata-wm-222d15a6ccce