Seiko Black Sumo 3rd Gen SPB101 | SBDC083 (Japan Edition)

The Prospex SPB101J1 is a refined evolution of the iconic Sumo dive watch, combining robust performance with a sleek black aesthetic. Housed in a 45mm stainless steel case, it features a sapphire crystal for enhanced durability and scratch resistance. Powered by the automatic Caliber 6R35, it offers an impressive 70-hour power reserve for reliable timekeeping. The black dial with luminescent hands and markers ensures excellent readability in all conditions.

Specifications:

• Caliber 6R35
• Automatic with manual winding capacity
• Black Dial
• +25 to -15 seconds per day Accuracy
• Stainless steel case and bracelet
• Sapphire Crystal
• Lumibrite on hands (indexs and bezel)
• Three-fold clasp with secure lock
• 200m / 660ft diver’s
• 12.9 ㎜ x 45 ㎜ x 52.6 ㎜
• Screw case back
• Screw-down crown
• Unidirectional rotating bezel
• 24 jewels
• Date display
• Stop second hand function
• 70 hours Power Reserve
• 188.5 g weight
• 190 mm Wrist size
• Ref # SPB101J1 / SPB101 / SPB101J / SBDC083 (we sell as JDM edition) 

A unidirectional rotating bezel, screw-down crown, and 200M water resistance make it a true diver’s tool, while the stainless steel bracelet with a secure clasp ensures a comfortable fit. The SPB101 blends functionality, durability, and timeless Sumo design for both divers and everyday