Seiko Presage Sharp Edged Midday Open Heart SPB309J1 men's watch will add style to many creations. The Japanese Seiko 6R38 automatic mechanism set on 24 stones with a 70-hour power reserve can be seen through a transparent, screw down case back. The white dial with the Asanoh pattern and the open-heart window is secured with sapphire glass with anti-reflex. In the absence of access to the light, reading the time will be possible thanks to the luminescent coating of Lumibrite. Water resistance was estimated at 10 atm.
Water resistance of 100 meters allows you to swim on the surface and dive to shallow depths without scuba diving with the watch on your wrist.
The watch works based on an automatic mechanism that is powered by wrist movements.
The sapphire glass has a score of 9 out of 10 on the Mohs hardness scale, which indicates very high scratch resistance.
Open-heart watches have a special hole on the dial that allows you to observe the operation of the mechanism.
Model | SPB309J1 |
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EAN Code | 4954628246738 |
Manufacturer | Seiko |
Gender | Gents |
Warranty | 2 years |
Water Resistancy | 100 metres |
Movement | Automatic |
Case material | Stainless steel |
Case Width | 40.00 mm |
Case Thickness | 12.00 mm |
Dial color | White |
Dial type | Open-heart |
Crystal | Sapphire |
Strap Material | Stainless Steel |
Strap Color | Silver |
Strap Width | 20.00 mm |
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