Seiko Cal. 7184 - 817

Seiko 7184-817

The 7184-817 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7184 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b27374ebcd70]

Also known as: Helmet, Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1990

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seikata-wm-b27374ebcd70