The Seiko Presage Classic Open Heart in Ai-Iro (Japan Blue) Men's Watch SPB527J1 beautifully showcases the artistry of Japanese watchmaking with a captivating open-heart dial inspired by the traditional Japanese shade of Ai-Iro (indigo blue). Combining timeless elegance with advanced mechanical craftsmanship, this Presage Classic timepiece offers refined styling, exceptional finishing, and a reliable in-house automatic movement. Designed for discerning watch enthusiasts, the SPB527J1 is equally suited for business attire, formal occasions, and everyday luxury.
Crafted from premium stainless steel with a Super Hard Coating, the watch features a perfectly balanced 40.2mm round case that offers durability and long-lasting brilliance. The sophisticated Japan Blue (Ai-Iro) open-heart dial provides a glimpse of the mechanical movement beneath, highlighting Seiko's exceptional craftsmanship. A 24-hour sub-dial adds practical functionality while maintaining the elegant design. The watch is protected by a dual-curved sapphire crystal with an anti-reflective coating on the inner surface for outstanding clarity and scratch resistance.
At its heart is Seiko's in-house Calibre 6R5J automatic movement, offering manual winding capability, an impressive 72-hour power reserve, and 24 jewels for smooth, reliable performance. The movement delivers an accuracy of +25 to -15 seconds per day and features a stop-seconds function for precise time setting. Completing the watch is a premium stainless steel bracelet secured with a deployment clasp featuring a push-button release. With 100 meters water resistance, magnetic resistance up to 4,800 A/m, and a see-through screw case back, the SPB527J1 is a perfect fusion of elegance, innovation, and mechanical excellence.
Key Features
- Seiko In-House Calibre 6R5J Automatic Movement
- Manual Winding Capability
- 72-Hour Power Reserve
- Japan Blue (Ai-Iro) Open Heart Dial
- 24-Hour Sub-Dial Display
- 40.2mm Stainless Steel Case with Super Hard Coating
- Dual-Curved Sapphire Crystal
- Anti-Reflective Coating on Inner Crystal Surface
- See-Through Screw Case Back
- Deployment Clasp with Push-Button Release
- 100m Water Resistance (10 Bar)
- 2 Years Manufacturer Warranty
Additional Information
| Brand |
Seiko |
| Collection |
Presage Classic |
| Model Number |
SPB527J1 |
| Watch Type |
Automatic Analog |
| Movement |
Automatic with Manual Winding |
| Calibre |
6R5J |
| Accuracy |
+25 to -15 seconds per day |
| Power Reserve |
Approx. 72 Hours (3 Days) |
| Jewels |
24 Jewels |
| Case Diameter |
40.2 mm |
| Case Thickness |
13.0 mm |
| Lug-to-Lug |
46.0 mm |
| Case Material |
Stainless Steel with Super Hard Coating |
| Case Shape |
Round |
| Dial Colour |
Ai-Iro (Japan Blue) |
| Display Type |
Analog Open Heart |
| Functions |
Hour, Minute, Second, 24-Hour Display |
| Crystal |
Dual-Curved Sapphire Crystal with Inner Anti-Reflective Coating |
| Case Back |
See-Through Screw Case Back |
| Clasp Type |
Deployment Clasp with Push-Button Release |
| Lug Width |
20 mm |
| Magnetic Resistance |
4,800 A/m |
| Water Resistance |
10 Bar (100 meters) |
| Gender |
Men |
| Warranty |
2 Years Manufacturer Warranty |
• 100% Authentic Product • World Wide Shipping
• Delivering Smiles Since 1948
• Authorized Dealer
• Over 6000+ watch collections
• Cash On Delivery Avaliable
• VISA/MASTER CARD/AMEX / Net Banking
