Men watches GEM Automatic Watch 39mm 4130 Chronograph Mechanical Wristwatch Sapphire Rubber bracelet Waterproof 10ATM 7750 watch

Welcome to the OUMASHI specialty store! We produce NH35, NH36, NH38, NH70, NH34 MIYOTA 8215 VK63 watches, Miyota 8285 tourbillon movement watches, ETA7750 watches, and 4130 watches. Welcome to pair multiple models! If you like it, please follow! We accept dealers from different countries to place large orders for watches. If you need to place large orders for watches to create your own brand, please contact me proactively. We can communicate with you about the price! Offer you the watch with the best cost performance! When buying watches and accessories, please choose my store. Have a pleasant shopping experience

We can accept personalized watch design customization for customers. If you need to customize a watch, please contact us proactively. The customization scope includes:

(Customized dial pattern, movement engraving, bracelet engraving, crown engraving, case back engraving)

Watch brand: OUMASHI Auto race timing automatic mechanical watch

Movement model: 4130 automatic mechanical watch

Movement function: chronograph, calendar, luminous, timing, speed measurement, 24 hours system, etc

Case material: 316L stainless steel

Case technology: brushed + polished

Back cover material: 316L stainless steel

Back cover type: screw in transparent sapphire glass back cover

Case diameter: 39.3mm (excluding crown)

Case length: 48mm (total length of top and bottom)

Case thickness: 14mm (including lens and caseback)

Case ear position: 20mm (where the case and strap are attached)

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

Strap material: stainless steel strap/rubber strap

Glass material: sapphire glass

Crown type: screw-in crown

Bezel material: Synthetic gemstone bezel

Bezel size: 39.3mm

Surface color: chronograph racing dials

Surface size:29mm

Water resistance level: 10ATM waterproof / diving [can wash hands, swimming, diving, to meet all daily waterproof requirements]

Exhaust valve: no

Packaging standards: professional waterproof plastic box packaging Avoid damaging the watch during transportation (send watch storage box)