Seiko Cal. 5617 - 252

The Seiko 5617-252 represents an important milestone in Seiko's 1987 lineup. Powered by the 5617 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-b8f23f4cd98e]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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