Seiko Cal. 7178 - 613

Seiko 7178-613

The 7178-613 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7178 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-f5c52a8df7b9]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1978

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