Seiko Cal. 5284 - 256

Seiko 5284-256

The 5284-256 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5284 caliber with 26j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9bbc8b20f617]

Also known as: Helmet, Flighty

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
26j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1974

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