Seiko Cal. 5661 - 903

Released in 1982, the Cal. 5661 with design code 903 was part of Seiko's domestic market collection. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-048bd24fe597]

Also known as: Turtle, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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