🔹 Design & Inspiration
The Borealis Neptuno draws its aesthetic and spirit from Japanese diver watches of the 1960s and 70s. It blends vintage charm with modern durability, offering a bold yet refined presence on the wrist.
🔹 Movement & Performance
- Movement:
- No-date version: Seiko NH38 Automatic
- Date version: Seiko NH35 Automatic
- Jewels: 24
- Frequency: 21,600 vibrations/hour (3 Hz)
- Power Reserve: ~40 hours
- Accuracy: -25 to +35 seconds/day
- Features: Hacking seconds, robust and reliable construction
🔹 Case & Build
- Material: 316L Stainless Steel
- Dimensions: 40.00mm (width) x 47.20mm (lug-to-lug)
- Thickness: 14.10mm
- Water Resistance: 300 meters
- Crystal: Double domed sapphire with internal A/R coating
- Crown: Screw-down
- Case Back: Screw-in with engraved mermaid motif
🔹 Bezel & Lume
- Bezel: 120-click unidirectional with PVD-hardened steel insert
- Lume: Swiss Made Superluminous BGW9 (RC Tritec fine grade) applied to dial, hands, and bezel indexes
🔹 Bracelet & Fit
- Bracelet: 20mm stainless steel
- Lug Width: 20.00mm
🔹 Warranty
- Coverage: 12 months manufacturer warranty