Seiko Cal. 5686 - 554

The Seiko 5686-554 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-4ba0f54ccb0a]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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