Seiko Cal. 5284 - 663

Released in 1969, the Cal. 5284 with design code 663 was part of Seiko's domestic market collection. Powered by the 5284 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-aa6394d8571a]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1969

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