Maintaining and Repairing Mechanical Watches A Practical Guide By: MARK W. WILES Deep Diver The covert matt black non-reflective

The covert matt black non-reflective PVD finish used for this watch is often specified in military contracts for special forces units

Serial Number: On caseback

A defining feature is the thicker bezel profile

ensuring long-lasting durability even under heavy use

500 to $10

Maintaining and Repairing Mechanical Watches A Practical Guide By: MARK W. WILES Deep Diver The covert matt black non-reflectiveThis invaluable and practical book is written by a watch repairer with over twenty years of experience. It is aimed primarily at novice mechanical watch repairers, though those with more experience will also find it highly useful. Key Features: Workspace Essentials: Covers the essential requirements of a workspace. Tools: Discusses basic tools, their usage, and maintenance. Disassembly and Reassembly: Illustrates how to take a mechanical watch apart