The Seiko Prospex "Sumo" SPB103 is equipped with a powerful 6R35 automatic caliber that has an accuracy of +25 to -15 seconds per day. With a 45mm case size and 200 meters water resistance, this timepiece combines presence and portability in a balanced way with high reliability.
|Case Material||Stainless Steel|
|Band Material||Stainless Steel|
|Clasp Type||Three-fold Clasp With Secure Lock, Push Button Release With Extender|
|Movement||Automatic With Manual Winding Capacity|
|Water Resistance||200m / 660ft Diver's|