Seiko Prospex SEA GMT Diver's Men's Watch SPB381J1

The Seiko Prospex SEA GMT Diver's Men's Watch SPB381J1 is an impressive timekeeping instrument designed for both divers and discerning watch enthusiasts. With its robust design and outstanding features, it is the perfect companion for adventures in the depths and beyond. The movement of the SPB381J1 carries the caliber number 6R54 and is powered by a mechanical, automatic winding design. It offers the option of hand winding to ensure that the watch always runs reliably. The accuracy is between -15 and +25 seconds per day when the watch is at rest. The impressive power reserve is approximately 72 hours (3 days), meaning the watch will continue to perform precisely even after a long period of rest. With 24 jewels, the movement offers excellent stability and longevity. The Seiko Prospex SEA GMT Diver's SPB381J1 features a stainless steel case with super hard coating, which provides additional durability and scratch resistance.

The case has a height of 12.9 mm, a diameter of 42.0 mm and a length of 48.6 mm. The sapphire crystal with an anti-reflective coating on the inside offers clear and clear readability. The LumiBrite coating on the hands, indices and bezel ensures that the watch is easy to read even in dark environments. The watch features a one-push diving extension and a 20mm lug width, allowing for a comfortable fit and customization. With a water resistance of 200m, the SPB381J1 is a reliable diving watch that meets the demands of air diving. It also offers a high level of magnetic resistance to ensure the accuracy of the movement. Additional features of the Seiko Prospex SEA GMT Diver's men's watch SPB381J1 include a unidirectional rotating bezel, a screw-down crown, a triple folding clasp with a safety pusher and a screw-down case back. Weighing 176.0g, this watch is a sturdy yet comfortable accessory for adventurers and watch lovers alike.

Technical data at a glance:

• Caliber number: 6R54
• Type of drive: Mechanical, automatic winding (hand winding possible)
• Accuracy: -15 to +25 seconds per day (when static)
• Power reserve: Approximately 72 hours (3 days)
• Bearing stones: 24
• Casing material: Stainless steel housing with super hard coating
• Size of the case: Height: 12.9 mm, Diameter: 42.0 mm, Length: 48.6 mm
• Glass: Sapphire crystal with anti-reflective coating on the inside
• LumiBrite: Present (hands, indices and bezel)
• Clasp: diving extension with one push Band lug width (between the lugs): 20 mm
• Water resistance: 200 m diving watch for air diving
• Magnetic resistance: Magnetic resistance
• Weight: 176.0 g
• Other features: Unidirectional rotating bezel, screw-down crown, triple folding clasp with safety push-button, screw-down case back

The Seiko Prospex SEA GMT Diver's Men's Watch SPB381J1 offers you the perfect combination of style, functionality and reliability that you expect from a high-quality diving watch.