Seiko Cal. 6690 - 997

Seiko 6690-997

This Automatic model from 1969 features a 41mm Two-Tone case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c52c8f9c8baf]

Also known as: Turtle, Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1969

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