Introducing the SEIKO PROSPEX Mod. SPB103J1, a remarkable wristwatch that epitomises sophistication and fine craftsmanship. This exquisite timepiece is tailored for the discerning gentleman who appreciates the fusion of elegance and functionality. The substantial 45 mm stainless steel case not only showcases robust durability but also a refined aesthetic that appeals to the senses.

With a stunning water resistance of 20 ATM, this watch is designed for those who embrace adventure—be it underwater explorations or daily wear. The sapphire dial material elevates your visual experience, offering both exceptional clarity and unparalleled scratch resistance to protect its intricate beauty. At the heart of this remarkable device lies a mechanical automatic movement, ensuring impeccable timekeeping that SEIKO is renowned for, allowing you to embody precision at every moment.

The SEIKO PROSPEX Mod. SPB103J1 is not merely an accessory; it is a statement piece that complements your style from day to night.

**Specifications:**
- Water Resistant: 20 ATM
- Case Diameter: 45 mm
- Gender: Gent
- Case Material: Stainless Steel
- Strap Material: Stainless Steel Bracelet
- Movement: Mechanical Automatic
- Dial Material: Sapphire
- Packaging: Official Box

**How to Use:**
Simply wear the SEIKO PROSPEX Mod. SPB103J1 on your wrist and adjust the time and date using the crown as necessary. This expertly designed timepiece allows for effortless transitions from day to evening, ensuring you always present your best self.

**Cleaning and Maintenance:**
To preserve the luxurious allure of your SEIKO PROSPEX watch, gently clean the stainless steel case and bracelet with a soft cloth on a regular basis. After swimming or showering, make sure to remove any moisture to maintain its pristine condition. For a deeper clean, apply a small amount of mild soap mixed with water using a soft brush to avoid scratching the sapphire dial.

Invest in the SEIKO PROSPEX Mod. SPB103J1 and elevate your watch collection with a piece that defines elegance and functionality.