Seiko Cal. 5633 - 502

The 5633-502 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5633 caliber with 27j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-995aca85dd2c]

Also known as: UFO, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

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