Seiko Cal. 5617 - 531

The 5617-531 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-053c45fa2be4]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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