Pro Trek by Casio Smart Outdoor Watch WSDF20BK Bulova Functions: 1/1000 Second Chronograph

Functions: 1/1000 Second Chronograph

rotating ring with calculation rule for pilot

indexes with luminous material Superluminova C3

Reference : H69439363

Caliber: E031

Pro Trek by Casio Smart Outdoor Watch WSDF20BK Bulova Functions: 1/1000 Second ChronographPro Trek by Casio Smart Outdoor Watch WSDF20BK OS: Android Wear 2. 0 (used with Smartphone running Android 4. 3+ or later. For models for which operation has been confirmed, refer to the Google check page. http: www. android. com wear check ) (iPhone*5, equipped with iOS 9. 0+ or later: iPhone 5 or later, with limited functionality.) 50 Meter Water Resistant Military Standard MIL STD 810G (United Stated Military Standard issued by the U. S. Department