Seiko Cal. 6678 - 957

Seiko 6678-957

The 6678-957 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6678 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-5710f561f5fa]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1994

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seikata-wm-5710f561f5fa