Seiko Cal. 5664 - 350

Seiko 5664-350

This Spring Drive model from 1973 features a 45mm Stainless Steel case. Powered by the 5664 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-f0705e53db14]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1973

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