Seiko Cal. 6630 - 859

Seiko 6630-859

The Seiko 6630-859 represents an important milestone in Seiko's 1976 lineup. Powered by the 6630 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6801b3aa43ee]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
120m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1976

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