SPECIFICATIONS

Band Length: 22

Band Material Type: Stainless steel

Band Width: 20 to 24 mm

Boxes & Cases Material: Leatherette

Brand Name: RAYMONDOYA

Case Material: Stainless steel

Case Shape: Irregular Shape

Case Thickness: 12

Clasp Type: Bracelet Clasp

Dial Diameter: 40 to 44 mm

Dial Window Material Type: Sapphire Crystal

Display Type: Numberless

Feature: Moisture-Proof,tourbillon,Skeleton,Luminous,Shock Resistant,DIVER,STOPWATCH,water proof,Luminous

High-concerned chemical: None

Item Type: Mechanical Wristwatches

Model Number: R8057

Movement: Mechanical Hand Wind

Movement origin: CN (Origin)

Origin: Mainland China

Style: Business

Water Resistance Depth: 5Bar

Introduction to Tourbillon

The tourbillon is a clock speed control device invented by clock master Louis Breguet in 1795. The purpose of a tourbillon is to correct errors caused by gravity. Tourbillon watches represent the highest level of mechanical watch manufacturing technology and have always been hailed as the king of watches.

Product Parameters

Strap width: 22 millimeters

Strap length: 24 centimeters

Packaging Material: Leather

Model: Raymondoya 8057

Features: shockproof and waterproof

Waterproof depth: 5 bar (atmospheric pressure)

Buckle type: press type hidden buckle

Movement: Manual winding

Watch Mirror: Synthetic Sapphire

Strap material: Head layer cowhide

Shell material: stainless steel

Dial thickness: 11 millimeters

Dial diameter: 42.5 millimeters

Frequency: 21600 times/hour

Energy storage time: 40 hours

Travel time error: ± 10 seconds/day

Warranty period: 3 years