Seiko Cal. 4431 - 645

Seiko 4431-645

This Kinetic model from 1973 features a 42mm Gold-Plated case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-51f68a7801bb]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1973

Related Models

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