Seiko Cal. 5251 - 639

Released in 1997, the Cal. 5251 with design code 639 was part of Seiko's domestic market collection. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-0d5dc01aa13c]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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