Seiko SPB121 Prospex Men's Watch Brown 39.5mm Stainless Steel

4.60 (94)
Best price today
$730
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4.60 (94)
In stock
$730
↑ 0.14%
Prices last updated Apr 14, 2026

Highlights

  • 39.5mm stainless steel case with a sophisticated green dial.
  • Automatic movement with a 70-hour power reserve for precision.
  • Water resistant up to 200 meters, perfect for aquatic activities.
  • Scratch-resistant sapphire crystal dial window for durability.
  • Brown leather band with a secure foldover clasp with push button.
  • LumiBrite hands and markers enhance visibility in low light.
  • Magnified date window and see-through caseback for added functionality.

Description

Discover the perfect blend of style, functionality, and durability with the Seiko SPB121 Prospex Men's Watch. This meticulously crafted timepiece is an ideal choice for any modern man who values precision and elegance. The watch features a robust 39.5mm stainless steel case that ensures longevity and a sophisticated appearance. Its round shape complements the classic aesthetic, while the green dial adds a touch of uniqueness and flair. The sapphire crystal dial window provides exceptional scratch resistance, ensuring your watch remains pristine over time. The Seiko SPB121 is powered by an automatic movement, offering a remarkable 70-hour power reserve, so you can rely on its precision and accuracy without frequent winding. This model also boasts a screw-down crown and a see-through caseback, allowing you to admire the intricate workings of the watch's movement. The water resistance of up to 200 meters makes it suitable for swimming, snorkeling, and other water activities, making it a versatile choice for both everyday wear and adventurous pursuits. The brown leather band adds a touch of warmth and comfort, perfectly complementing the stainless steel case and green dial. The foldover clasp with push button ensures a secure fit on your wrist, while the 20mm band width provides a balanced and comfortable feel. LumiBrite hands and markers enhance visibility in low-light conditions, ensuring you can easily read the time no matter where you are. With its magnified date window and second-hand feature, the Seiko SPB121 Prospex Men's Watch is not just a time-telling device, but a statement of style and sophistication. Whether you're dressing up for a formal event or heading out for a casual day, this watch adapts seamlessly to any occasion. Embrace the reliability and timeless design of Seiko, and elevate your watch collection with this exceptional piece.

Specifications

Product Dimensions 5 x 5 x 4 inches; 1 Pounds
Item Model Number SPB121
Department Mens
Date First Available June 2, 2022
Manufacturer Seiko
Best Sellers Rank #1,509 in Men's Wrist Watches
Customer Reviews 4.5 4.5 out of 5 stars
Brand Or Seller Or Collection Name Seiko
Model Number SPB121
Part Number SPB121
Item Shape Round
Dial Window Material Type Sapphire
Display Type Analog
Clasp Foldover Clasp With Push Button
Case Material Stainless Steel
Case Diameter 39.5 Millimeters
Case Thickness 13 millimeters
Band Material Leather
Band Width 20
Band Color Brown
Dial Color Green
Calendar Date
Special Features Second Hand
Item Weight 16 ounces
Movement Automatic
Water Resistance Depth 20 ATM, 200 meters, 660 feet
Brand Seiko
Product Warranty For warranty information about this product, please click here

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