This Chronoscope 40mm is using DJR 25 caliber based on ETA caliber and Depraz caliber for the chronograph module. It is a mechanical and automatic movement with 51 jewels and 28,800 vph. It also has a chronograph with three counters: small seconds at 3, hour at 6, and minute counter positioned at 9.

The case has is made of shot blasted steel with 40mm diameter and 14.3mm thickness. It uses curved mineral crystal. There are two crowns with case protection: standard winding crown at 3 and a crown at 9 for controlling the bi-directional flange. Two pushers are found at 2 and 4 with case protection too. Water resistance is up to 100m.
The dial is black including the 3 circular bead patterned counters. On its flange are luminescent minute track with a triangular marker meant for diving time measurement. Its dial has another set of minute track using ½ of a second with luminescent square markers every 5 minutes. The baton central hands are luminescent as well.
It uses crocodile leather strap with fold over buckle.
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