Seiko Cal. 5285 - 712

The 5285-712 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5285 caliber with 27j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-817cbb399c67]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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