Seiko Cal. 6664 - 365

Seiko 6664-365

This Spring Drive model from 1992 features a 41mm Hardlex-Coated Steel case. Powered by the 6664 caliber with 25j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1b536e9a25d0]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Navy
Jewels
25j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1992

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