Seiko Cal. 4551 - 630

Released in 1996, the Cal. 4551 with design code 630 was part of Seiko's domestic market collection. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-9277fb59de8e]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1996

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