Seiko Cal. 5610 - 173

The 5610-173 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-146a8efbc6ae]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

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