Seiko Cal. 6631 - 573

Seiko 6631-573

This Kinetic model from 1966 features a 40mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-b4667995925b]

Also known as: Pogue, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1966

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