Seiko Cal. 6178 - 750

Seiko 6178-750

The 6178-750 is a sought-after Solar piece from Seiko's golden era. Powered by the 6178 caliber with 33j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-da2bce4ddad3]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1966

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