Movement type: GMT quartz movement

Movement model: Swiss Ronda 515-24H

Case material: 316L solid stainless steel

Clasp material: 316L solid steel plate buckle

Case technology: brushed + polished

Back Material: 316L stainless steel

Back cover type: screw-down solid back cover

Case diameter: 39mm (excluding crown)

Case length: 48.5mm (total length top and bottom)

Case thickness: 12.8mm (including crystal and caseback)

Case lugs: 20mm (where the case links to the bracelet)

Weight of the whole watch: 130g (including the steel band)

Watch length: 220mm (total watch length/circumference)

Suitable for wrist: 13-18cm

Strap Material: Steel Strap

Crystal Material: Mineral Glass

Crystal type: bubble mirror mineral glass

Mirror coating: anti-dazzle blue coating

Mirror size: 32.5mm * 3.55mm * 1.7mm (OD * mid-height * side-height) (subject to drawings)

Crown type: screw-down crown

Crown size: 7.mm (diameter)

Dial color: black

Surface luminous: 240,000/KG BGW9 super luminescent powder, glows blue

Surface size: 31.0mm*30mm**0.40mm (surface diameter*open face*thickness)

Pointer technology: batch flower needle

Pointer luminous: 240,000/KG BGW9 Super Luminous Powder, Blue Light Emitting

Waterproof level: 200 meters waterproof / diving [can wash their hands, swimming, diving, to meet the daily use of all waterproof]

Exhaust valve: no

Packing standard: professional waterproof plastic box packaging