Seiko SPB453. This watch is leaps and bounds above the SPB143. The black dial is gorgeous, and the bracelet is fantastic.

Caliber Number 6R55 Movement Type: Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functions

Case Material: Stainless steel
Case Size Thickness: 13.0 mm
Diameter:40.0mm
Lug-to-lug:46.4mm
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface, LumiBrite on hands, index(es), and bezel. Clasp: Three-fold clasp with secure lock, push button release with extender. Distance between lugs: 20mm.