Seiko Cal. 6665 - 728

Seiko 6665-728

This Automatic model from 1967 features a 34mm Hardlex-Coated Steel case. Powered by the 6665 caliber with 33j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-31923a9c5456]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1967

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seikata-wm-31923a9c5456