Seiko Cal. 5617 - 617

The Seiko 5617-617 represents an important milestone in Seiko's 1987 lineup. Powered by the 5617 caliber with 18j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-ba0eff15e80d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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