For sale is a Seiko SSB311P1 8T63 Chronograph Tachymeter Black Quartz.Approximate measurements:Case diameter: 43.0mm (without crown)Lug to lug: 50.0mmThickness: 12.2mmThis watch is in pre-owned condition and comes as pictured on the original bracelet. This piece comes watch only, no accessories are included. The bracelet is sized to about 20cm, no extra links are included. Carefully review all product photos prior to purchase.