Seiko Cal. 6678 - 352

Seiko 6678-352

The 6678-352 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6678 caliber with 29j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-0e1ff62bc085]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1966

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