Specification Details
Gender Men
Movement Automatic with manual winding
Caliber 4R39
Power Reserve Approximately 41 hours
Jewels 24
Case Material Stainless steel
Case Size Diameter: 40.8mm
Thickness: 12mm
Dial Color Deep blue
Crystal Sapphire
Water Resistance 5 bar (50 meters)
Clasp Deployment clasp
Functions – 24-hour hand
– Stop second-hand function
Band Material Black leather
Other Features – See-through case back
– Open-heart window at 9 o’clock position
– 24-hour sub-dial at 10 o’clock position

The Seiko Presage “Zen Garden Sakura By Night” SSA421J1 is a distinguished timepiece that artfully combines traditional Japanese aesthetics with modern watchmaking precision. Drawing inspiration from the serene ambiance of a Japanese zen garden illuminated under the night sky, this watch is a testament to Seiko’s commitment to craftsmanship and design.

At the heart of the SSA421J1 lies the Caliber 4R39 automatic movement, renowned for its reliability and accuracy. This movement offers both automatic and manual winding capabilities, ensuring versatility for the wearer. With a power reserve of approximately 41 hours and housing 24 jewels, it guarantees sustained and precise timekeeping.

The watch features a 40.8mm stainless steel case with a thickness of 12mm, providing a balanced presence on the wrist. The deep blue dial is adorned with a textured pattern reminiscent of rippling water, symbolizing the tranquility of a zen garden at night. A prominent open-heart window at the 9 o’clock position offers a glimpse into the watch’s intricate mechanics, while the 24-hour sub-dial at 10 o’clock adds both functionality and visual interest. The dial is protected by a sapphire crystal, known for its scratch-resistant properties.

The SSA421J1 is equipped with a see-through case back, allowing enthusiasts to admire the movement’s craftsmanship. The watch is water-resistant up to 5 bar (50 meters), making it suitable for daily wear. It comes fitted with a black leather strap, enhancing its elegant appeal and ensuring comfort for the wearer.