Seiko Cal. 6689 - 720

Seiko 6689-720

This Automatic model from 1982 features a 43mm Gold-Plated case. Powered by the 6689 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-267ff681688c]

Also known as: Turtle, Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1982

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seikata-wm-267ff681688c