Seiko Cal. 6660 - 369

Seiko 6660-369

This Automatic model from 1974 features a 34mm Titanium case. Powered by the 6660 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e424a4ef4fe9]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1974

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