Seiko Cal. 7178 - 668

Seiko 7178-668

The Seiko 7178-668 represents an important milestone in Seiko's 1969 lineup. Powered by the 7178 caliber with 27j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-7217af1206a1]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1969

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