Seiko Cal. 5284 - 518

Seiko 5284-518

The 5284-518 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5284 caliber with 18j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-9455ee26eeb7]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1967

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seikata-wm-9455ee26eeb7