About the original Blancpain watch:

This watch is a close copy of Blancpain Fifty Fathoms MIL-SPEC:
https://www.blancpain.com/en/fifty-fathoms/fifty-fathoms-mil-spec-5008-11b30-naba-hodinkee

SPECIFICATIONS

Water Resistance Depth: 20Bar

Band Material Type: nylon

Band Length: 22

Case Material: STAINLESS STEEL

Origin: Mainland China

Clasp Type: Buckle

Movement: Automatic Self-Wind

Case Thickness: 14

Boxes & Cases Material: plastic

Feature: DIVER

Feature: Water Resistant

Feature: swim

Feature: luminous hands

Band Width: 19

Dial Diameter: 40

Model Number: R6

Dial Window Material Type: glass

Item Type: Mechanical Wristwatches

Mirror: Mineral /Sapphire crystal

Rdunae 40mm Watch R6tr Vintage For Fifty Fathoms Homage Sterile Dial NH35 Movement C3 Lume 20Bar Mem’s Automatic Mechanical Watch

Movement : Japan NH35 Automatic Movement

Feature : Diver, Swim ,Luminous

Case material : 316L stainless steel

Crown : screw down

Mirror glass: Mineral glass/Sapphire crystal

Buckle : pin buckle

Dial thickness :14mm

strap width :19mm

Waterproof :20ATM/200meters

Weight :78g