Seiko Prospex SPB509 1968 Heritage 60th Anniversary GMT Limited Edition Rugged you can select one of

you can select one of approximately 3

Clasp: Fold Over Clasp with Push Buttons

Tri-Fold Push Button Release Clasp w/ Secure Lock and Slide Adjuster

The movement is visible through a sapphire crystal display case back and is beautifully decorated

Seiko Prospex SPB509 1968 Heritage 60th Anniversary GMT Limited Edition Rugged you can select one ofMovement Caliber Number 6R54 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functions 24 hour hand (dual time display function) Stop second hand function Case Band Case Material Stainless steel (Bezel: Stainless steel with ceramic display) Case Size Thickness: 13. 3mm Diameter: 42. 0mm Lug to lug: 48. 6mm Crystal Sapphire crystal Crystal Coating Anti reflective coating