Seiko Cal. 7178 - 284

Seiko 7178-284

The 7178-284 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7178 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-f9df21d56a68]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1967

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