Marathon 34mm Black General Purpose Mechanical (GPM) Ballistic Nylon Watch

Commonly known as the General Purpose Mechanical (GPM). It can be wound through the automatic self-winding rotor or by manually winding the crown. Manufactured in accordance with MIL-PRF-46374G, Type II, Class 4.

Movement: Seiko NH35A
No of Jewels: 24
Scale Quantity: 2
Scale Range: 1-12 (13-24)
Calendar Type: N/A
Luminous Features: Tritium Gas Tubes and MaraGlo
Crystal Material: Sapphire
Crown Type: Pressure
Case Material: High-Impact Composite Fibreshell
Submersibility: 3 ATM
Case Diameter: 34mm
Case Thickness: 11mm
Lug Width: 16mm