Seiko Cal. 5284 - 636

Released in 1967, the Cal. 5284 with design code 636 was part of Seiko's domestic market collection. Powered by the 5284 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-ad8938eb3fa1]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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