Seiko Cal. 6657 - 548

Seiko 6657-548

This Kinetic model from 1967 features a 43mm Two-Tone case. Powered by the 6657 caliber with 33j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-ff02400db071]

Also known as: Tuna, Emperor

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1967

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