Seiko Presage Classic Series SPB480 – Stainless Steel Open Heart Automatic Watch

The Seiko Presage SPB480 is a beautifully crafted classic timepiece from Seiko’s Presage Classic Series, blending traditional Japanese-inspired design with modern mechanical precision. Featuring a textured “shiro‑iro” (natural silk‑color) dial with gold accents and an open heart aperture that reveals the movement in action, this automatic watch balances elegance and everyday functionality. Powered by Seiko’s reliable Caliber 6R5J automatic movement with approximately 72  hours of power reserve, the SPB480 is ideal for both refined dress occasions and daily wear.

Specifications
Model: SPB480 / SPB480J1
Collection: Seiko Presage Classic Series
Movement: Automatic with manual winding — Caliber 6R5J (~72 hours power reserve)
Accuracy: +25 to −15 seconds per day
Jewels: 24
Functions:
- 24‑hour hand
- Stop‑second hand function
Case Material: Stainless steel
Case Size: 40.2 mm diameter × 13.0 mm thickness
Lug‑to‑Lug: ~46.0 mm
Crystal: Dual‑curved sapphire crystal with anti‑reflective coating on inner surface
Bracelet: Stainless steel with deployment clasp and push‑button release
Lug Width: 20 mm
Water Resistance: 10 bar / 100 m
Magnetic Resistance: 4,800 A/m
Caseback: See‑through and screw‑down case back
Dial: Textured ivory “shiro‑iro” dial with open heart aperture and gold accents