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Sapphire Crystal

Built to stay flawless. A scratch-resistant sapphire crystal keeps these watches looking new for years — one of the clearest signs of quality you can put on your wrist.

Scratch-resistantStays clearMark of quality

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NorthChrono sporty elegance watch features a metallic case, blue textured dial with date display at 3 o'clock, black bezel with white markers, and a dark brown textured leather strap, perfect for casual or formal occasions. NorthChrono stainless steel watch with a blue dial featuring large hour markers, date function, and luminous hands, mounted on a textured brown leather strap, resting against a dark, textured surface.
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Heimdallr Big Monster 45mm Automatic Diver Watch — Blue, Leather Strap
$263.99
NorthChrono men's automatic watch featuring a sporty black dial with luminous hour markers and hands, a date display at 3 o'clock, and a robust stainless steel band; water-resistant up to 200M. NorthChrono close-up of a stainless steel bracelet watch on a male wrist, featuring a black dial with time interval markings, against a textured leather background, possibly a jacket.
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Heimdallr Monster Automatic Dive Watch — Black Dial, Steel Bracelet
$278.99
NorthChrono automatic watch with a bold red dial, silver hour and minute hands, date window at 3 o'clock, black bezel with white markings, and a stainless steel bracelet, presented on a male wrist against a dark background. NorthChrono wristwatch featuring a red dial with prominent hour markers, a silver metal strap, and a rotating bezel, worn on a male wrist partially covered by a black leather jacket.
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Heimdallr Monster Automatic Dive Watch — Red Dial, Steel Bracelet
$278.99
NorthChrono automatic watch with a turquoise dial, large hour markers, and date display. Features a black bezel with white markings, stainless steel bracelet, and rated for 200 meters of water resistance. NorthChrono close-up of a watch featuring a bright turquoise dial with applied indices and luminous hands, paired with a metallic strap. The hand is adorned with a black leather jacket sleeve against a softly blurred background.
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Heimdallr Monster Automatic Dive Watch — Blue Dial, Steel Bracelet
$278.99
NorthChrono automatic watch with a gray textured dial, silver-tone hour markers and hands, black bezel with white numerals, date window, and a stainless steel bracelet; water-resistant up to 200 meters. NorthChrono men's wristwatch featuring a textured silver and grey dial with hour markers and date function, secured by a silver metal band, partially covered by a black leather jacket.
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Heimdallr Monster Automatic Dive Watch — White Dial, Steel Bracelet
$278.99
NorthChrono automatic wristwatch with a textured black dial, luminous hands, hour markers, date function, and a robust stainless steel case. Features a metallic strap and is water-resistant up to 200 meters. NorthChrono close-up of a modern stainless steel watch on a male wrist, featuring a textured light-colored dial with luminous markers and hands, a date display at 3 o'clock, set against a background of a leather jacket.
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Heimdallr Monster Automatic Dive Watch — Frost Blue, Steel Bracelet
$278.99
NorthChrono stainless steel watch with a striking purple dial featuring hour and minute markers, a date display, and a stainless steel bracelet, showcasing a modern sporty and stylish design. NorthChrono close-up of a metallic wristwatch featuring a distinctive purple dial and a silver strap, worn on a male wrist partially covered by a black leather jacket, with a blurred decorative frame in the background.
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San Martin SN0144 Gada Automatic Dress Watch — 39mm Miyota 9015
$601.99
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NorthChrono automatic watch features a striking red dial with a date function and a stainless steel case. The sporty design is complemented by a matching red strap, making it a modern accessory for any occasion. NorthChrono wristwatch featuring a bright red dial with hour markers and hands, stainless steel case, and red strap. Displayed on a male wrist wearing a leather jacket, showcasing a stylish look.
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San Martin SN0144 Gada Automatic Dress Watch — 36mm Miyota 9015
$536.99
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NorthChrono sporty automatic watch featuring a striking green dial with silver hour markers, date display, and textured green rubber strap, housed in a polished stainless steel case, water-resistant up to 100m. NorthChrono close-up of a wristwatch featuring a green dial and green strap, with a stainless steel case. The dial has silver hour markers and hands, partially covered by a brown leather jacket on a male wrist.
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San Martin SN0144 Gada Automatic Dress Watch — 42mm Miyota 9015
$536.99
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NorthChrono stainless steel diving watch with a black textured dial featuring luminous hour markers, hands, and a date display at 3 o'clock. Equipped with a robust metal bracelet and water resistance of 1000m. NorthChrono close-up of a wristwatch featuring a black dial with luminous hour markers and hands, date function, mounted on a two-tone bracelet, worn by a person in formal attire.
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San Martin SN0053 Automatic Watch — 39mm Enamel Dial, NH35
$390.99
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NorthChrono automatic watch with a blue dial featuring luminous hour markers and the brand "CRONOS," housed in a round stainless steel case. It has a stainless steel bracelet and is water-resistant up to 200 meters. NorthChrono luxury automatic watch featuring a round stainless steel case, black dial with luminous hour markers and hands, date display, and classic stainless steel bracelet, set against a black background.
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Cronos BB39 Mechanical Dive Watch — 39mm Sapphire PT5000
$368.99
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Built to stay flawless

Mohs hardness scale (1–10)

On the Mohs scale, sapphire sits at 9 — second only to diamond.

Clarity that lasts

Built to stay flawless.

Scratch-resistant clarity that keeps looking new for years.

Buying guide

A synthetic sapphire disc rated 9/10 on the Mohs hardness scale — the same material as a natural sapphire gemstone.

Mineral glass rates around 5 on Mohs and scratches easily. Sapphire stays optically clear for the life of the watch.

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