Seiko Cal. 6678 - 855

Seiko 6678-855

The 6678-855 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6678 caliber with 34j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-97cdc15d9761]

Also known as: Monster, Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1981

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seikata-wm-97cdc15d9761