Seiko Cal. 6661 - 798

Seiko 6661-798

The Seiko 6661-798 represents an important milestone in Seiko's 1969 lineup. Powered by the 6661 caliber with 26j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-fa423dd30ffe]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Cream
Jewels
26j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1969

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