Seiko combine cutting-edge innovation with 130 years of watch making experience and are dedicated to striving for perfection in their timepieces. 5 represents the original five key attributes of every Seiko 5 watch: Automatic movement, Day-date display at the three o'clock position, Water Resistance, Recessed crown at the four o'clock position and Durable case and bracelet features still present today. Ref: SRPG29K1 Product Information Brand: Seiko Movement Type: Mechanical Movement Calibre: 4R36 -35/+45 seconds per day Band Type: Stainless Steel Bracelet Dial: Navy Water Resistance: 100m Case Dimension: 39.4mm (W) x 8mm (D) Glass Type: Hardlex Date Function: Day and Date