Seiko Cal. 5284 - 113

Seiko 5284-113

The 5284-113 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5284 caliber with 27j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-7aef94f6cfeb]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
27j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1978

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