Seiko Cal. 6678 - 856

Seiko 6678-856

This Solar model from 1971 features a 39mm Titanium case. Powered by the 6678 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a434675c0424]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
39mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1971

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seikata-wm-a434675c0424