Seiko Cal. 5664 - 868

Seiko 5664-868

This Automatic model from 1965 features a 34mm Stainless Steel case. Powered by the 5664 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-fc445b934a37]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1965

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