|-3/+5 sec per day COSC certified
|-5/+6 sec per day COSC certified
|-10/+10 sec per day COSC certified
|Stainless Steel Type
|904L Stainless Steel
|904L Stainless Steel
|316L Stainless Steel
|Logo & Markings
|Exact on entire watch
|90% Exact on entire watch
|Exact detail and font
|90% exact detail and font
|100m on standard models
|Tested up to 300m
|Tested up to 30m
|Up to 5 Years
|Up to 3 Years
Watch Case: 316L. The situation is that 316L steel is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Case Back: Transparent. The case uses a thick transparent back cover, which can better show your high taste and knowledge for watch.
Crystal: Sapphire Crystal. For watches, crystal is a very important component, with good thermal performance, excellent electrical and dielectric properties, and chemical resistance. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch is silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries and is located on the outside of the clock to indicate the time.
Dial Markers: Index. The index in a watch are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Deployment. Deployment clasps are used here which is more durable and stylish.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, full enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.