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Silver stainless steel diver's watch on matching bracelet, black dial, 45 mm case, sapphire crystal

Orient

Orient RA-AC0N01B10B M-Force ACON 45 mm Automatic Diver's Watch

SKU CH-00NF-VZHTQ

A 45 mm automatic diver's watch with 200 m water resistance, sapphire crystal, screwdown crown and bidirectional rotating bezel

  • MovementAutomatic
  • ColorSilver
  • ResizableYes
  • AdjustableYes
  • Band MaterialStainless Steel
  • Gendermen
  • Automatic movement runs without battery changes
  • Sapphire crystal resists scratches on 45 mm case
  • 200 metre water resistance suits serious diving
  • Luminous hands and bezel ensure low-light readability
  • Stainless steel bracelet adjusts for secure fit

Mechanical Diver for Daily Wear

The Orient RA-AC0N01B10B is an automatic watch built for men who want a capable diver without relying on a battery. Its 45 mm stainless steel case sits 12.8 mm thick on the wrist and pairs with a matching steel bracelet that can be resized or adjusted for fit.

200-Metre Water Resistance in Practice

The screwdown crown and sapphire crystal seal the movement to 200 metres or 660 feet, a rating that covers recreational diving and prolonged swimming. The bidirectional rotating bezel tracks elapsed time, though it does not lock in one direction, so accidental knocks can shift the reference point during a dive.

Steel Build and Everyday Details

The solid stainless steel construction resists corrosion from salt water and daily contact, while the sapphire crystal resists scratches better than mineral glass. Luminous hands and a date window at three o'clock remain legible in low light, and the watch arrives in its original box with booklet.

Highlights

  • Automatic movement runs without battery changes
  • Sapphire crystal resists scratches on 45 mm case
  • 200 metre water resistance suits serious diving
  • Luminous hands and bezel ensure low-light readability
  • Stainless steel bracelet adjusts for secure fit

Specifications

BrandOrient
Part NumberRA-AC0N01B10B
MovementAutomatic
ColorSilver
ResizableYes
AdjustableYes
Band MaterialStainless Steel
Gendermen
AgeAdult
ConditionNew
Case Diameter45 mm.

Questions about this item

Should I pick the 45 mm case or a smaller size for daily wear?

The 45 mm stainless-steel case with 12.8 mm thickness gives a bold wrist presence; the integrated bracelet is resizable and adjustable so it fits most wrists comfortably.

What does 200 metres water resistance mean when I’m actually swimming or diving?

It is rated for 200 metres or 660 feet, suitable for recreational scuba diving; the screw-down crown and sapphire crystal maintain the seal under pressure.

How does the bidirectional rotating bezel work with the automatic movement?

The bezel turns both ways for timing dives or second time-zone tracking, while the automatic calibre winds from wrist motion — no battery needed.

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