Seiko Cal. 6652 - 912

Seiko 6652-912

This Spring Drive model from 1979 features a 36mm Titanium case. Powered by the 6652 caliber with 17j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-e8e8e8bdcfda]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1979

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