Seiko Cal. 5617 - 610

The Seiko 5617-610 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-e742b9e6b96c]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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