Seiko Cal. 5610 - 577

Released in 1981, the Cal. 5610 with design code 577 was part of Seiko's domestic market collection. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-2d887ef3ac86]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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