Seiko Cal. 6278 - 387

Seiko 6278-387

This Hand-Winding model from 1976 features a 46mm Gold-Plated case. Powered by the 6278 caliber with 34j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e5bb25b37e9d]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
11.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1976

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