Seiko Cal. 6678 - 356

Seiko 6678-356

The 6678-356 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6678 caliber with 28j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-94d8b3f1fdcc]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1970

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