Seiko Cal. 5284 - 109

Released in 1990, the Cal. 5284 with design code 109 was part of Seiko's domestic market collection. Powered by the 5284 caliber with 35j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-131f2e9221a4]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1990

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