BERNY AM138M-L Automatic Sapphire Mechanical Watch
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The BERNY AM138M-L is a mechanical field-style watch built around the Miyota 8215 automatic movement, with hacking seconds and roughly a 40-hour power reserve. It pairs a sapphire crystal and 316L stainless steel case with 5 ATM water resistance, a date at 3 o'clock, and C3 lume on the dial and a red seconds hand. It suits buyers who want an automatic with sapphire and strong night visibility without paying Swiss-brand money. Against similarly priced Seiko and Orient autos, it trades brand heritage for sapphire glass and bolder lume, while matching them on a proven Japanese movement. Owners call it elegant, well made and a strong timekeeper with standout lume.
In stock
Lowest price we've seen: $79.89 on Nov 8 at Gajed. Tracked across 1 store since Nov 8.
Owners describe the AM138M-L as elegant, stylish and well made for the money, with a smooth movement and a power reserve that holds up in daily use. The lume draws the most praise, with several saying it stays readable night and day. Timekeeping is called reasonable rather than exceptional.
The BERNY AM138M-L is an automatic mechanical watch with a MIYOTA 8215 movement. The movement has hacking seconds and a power reserve of about 40 hours. A date display sits at 3 o'clock.
The case is 316L stainless steel, and the crystal is sapphire. A sapphire exhibition back cover shows the movement. The dial is luminous, with C3 luminous coating and a red luminous seconds hand.
The watch has 5 ATM water resistance, which covers splashes, rain and incidental water exposure. It comes on a quick release strap in stainless steel, canvas or leather.









