Seiko Cal. 5251 - 637

The 5251-637 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-fcfdd2cad299]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1992

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