Seiko Cal. 5251 - 671

The 5251-671 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-afe1bdee8f27]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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