Seiko Cal. 6690 - 690

Seiko 6690-690

This Kinetic model from 1966 features a 45mm Hardlex-Coated Steel case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eecc6d67f2d3]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1966

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