Seiko Cal. 5284 - 900

Seiko 5284-900

The 5284-900 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5284 caliber with 27j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-1a70073783b7]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1978

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seikata-wm-1a70073783b7