Seiko Cal. 5661 - 159

The 5661-159 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-9de75a05d52b]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1984

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