We had the opportunity to review the Seiko Prospex “Baby MM” SBDC063. We were impressed with its robust build and sporty design. The watch features a bulky stainless steel case with a diameter of 44mm, a lug-to-lug of 51mm, and a thickness of 13.1mm.
Despite its large size, it is comfortable to wear and sits well on the wrist.
The watch is based on the Seiko MM300 and is appropriately named the “Baby MM”. It has a distinct sporty diver look and is suitable for outdoor activities. The watch is made in Japan and is a testament to Seiko’s quality craftsmanship. We were impressed with the watch’s design, build quality, and performance.
Key Takeaways
- The Seiko Prospex “Baby MM” SBDC063 is a sporty diver watch with a bulky stainless steel case.
- The watch is based on the Seiko MM300 and is made in Japan.
- The watch is well-designed, well-built, and performs well.
Seiko Prospex “Baby MM” SBDC063 Review & Complete Guide
Seiko Prospex “Baby MM” SBDC063 is a sporty diver watch that offers great value for money. It features a bulky and robust stainless steel case with a diameter of 44mm and a thickness of 13.1mm, making it a rather large watch.
The watch is based on Seiko MM300, which is why it is called “Baby MM.” The watch is water-resistant up to 200 meters and has a unidirectional rotating bezel, making it perfect for prospex and watch lovers who want a reliable and durable dive watch. The watch is powered by Seiko’s automatic caliber, 6R15, and has a power reserve of 50 hours.
Seiko Prospex “Baby MM” SBDC063 Review
Seiko Prospex “Baby MM” SBDC063 Case
The SBDC063 features a robust 44mm stainless steel case with a lug-to-lug of 51mm and a thickness of 13.1mm, making it a substantial yet sporty diver’s watch. The case design is inspired by the vintage Seiko MM300, providing a slimmer profile compared to its predecessor.
The case is further protected by Seiko’s DiaShield coating, offering scratch resistance. It boasts polished bevelings, a screw-down crown, and a unidirectional rotating bezel with a blue insert and luminous pip at 12 o’clock for enhanced visibility during diving activities.
Seiko Prospex “Baby MM” SBDC063 Dial
The SBDC063’s matte black dial ensures excellent legibility, with large applied hour markers and hands featuring Lumibrite for enhanced visibility in low-light conditions.
An angled chapter ring and a date window at 3 o’clock further enhance the timepiece’s practicality. The dial also showcases the Seiko and Prospex logos, the “Automatic” label, and the depth rating.
Seiko Prospex “Baby MM” SBDC063 Movement
Seiko equipped the SBDC063 with the in-house Seiko caliber 6R15. The automatic movement has a frequency of 21,600 BPH (3 Hertzs), 23 jewels, and a power reserve of 50 hours.
The movement offers both hacking seconds and manual winding functions, making it a reliable and durable choice for a sporty dive watch.
Seiko Prospex “Baby MM” SBDC063 Strap
The watch comes with a 20mm black silicone strap, offering water-resistant properties and a sporty aesthetic. The rubber strap allows for easy adjustment, catering to various wrist sizes and accommodating wear over a wetsuit without the need for a diver’s extension.
Specifications
- Water-Resistance: 200m/660 feet
- Diameter: 44mm
- Lug-to-lug: 51mm
- Thickness: 13.1mm
- Crystal: Sapphire crystal with anti-reflective coating
- Lug width: 20mm
- Crown: Screw-down
- Accuracy: +25/-15 sec per day
- Movement: In-house Seiko caliber 6R15
- Frequency: 21,600 BPH (3 Hertzs)
- Power reserve: 50 hours
- Jewels: 23
Conclusion
The Seiko Prospex ”Baby MM” SBDC063 is a durable and versatile dive watch with a classic design and exceptional value for money. It offers excellent legibility, a reliable automatic movement, and a sporty yet timeless aesthetic.
