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Silver stainless steel automatic watch, 40mm round case, black dial with index markers, date window

Orient

Orient RA-AC0E01B10B Automatic Watch 40mm Black Dial

SKU CH-MK55-CGGHH

A 40 mm stainless-steel automatic dress watch with a black dial, date window, see-through case back and 100 m water resistance

  • Watch movementAutomatic
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex
  • Display typeAnalog
  • Date displayDate
  • Automatic movement runs without a battery
  • 40 mm case fits comfortably on the wrist
  • Stainless steel bracelet resists daily wear
  • 100 m water resistance handles swimming
  • See-through case back reveals the movement

Orient RA-AC0E01B10B Automatic Watch

This Orient automatic watch features a 40mm stainless steel case and matching bracelet with a black dial. It is suited for adults seeking a classic dress watch powered by mechanical movement rather than a battery. The silver-tone hands and index markers provide clear analogue time reading. A date window adds daily utility without cluttering the face.

40-hour power reserve and 100m water resistance

The automatic movement stores up to 40 hours of energy when fully wound, so the watch keeps running through a weekend off the wrist. Water resistance to 100 metres or 330 feet covers swimming and surface water sports but not diving. The fixed bezel and mineral crystal protect the dial from everyday knocks and scratches. Buyers needing ISO-rated dive specifications or longer power reserve should consider other models.

Stainless steel bracelet with deployment clasp

The solid stainless steel bracelet uses a deployment clasp that secures with a single push, reducing wear on the links compared with a traditional pin buckle. The case back is transparent, revealing the movement, while the crown is a standard pull-push type for setting time and date. The bracelet is resizable and adjustable for a precise fit. Those preferring leather, rubber or NATO straps will need to purchase alternatives separately.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $142.99
Typical for this category: the median of 2,679 items is $130.99.

Specifications

Product
Brand nameOrient
Part numberRA-AC0E01B10B
Design styleDress
Product colorSilver
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialStainless Steel
Size adjustmentYes
Product shapeRound
Strap materialStainless Steel
Closure typeDeployment Clasp
Bezel typeFixed Bezel
Case constructionPull/Push Crown
Case size40 mm.
Housing materialStainless Steel
Watch glassMineral Crystal
Environment & compliance
Water resistance100m
More details
Watch movementAutomatic
AdjustabilityYes
Dial markingsIndex
Date displayDate
Suitable forMen
Age groupAdult

Questions about this item

Will the 40 mm case and 12 mm thickness sit alongside my older dress watches without looking oversized?

The case measures 40 mm wide and 12 mm thick, a classic dress proportion that pairs well with similarly sized vintage pieces.

How can I confirm the automatic movement is running correctly after I set it?

Watch the silver tone hands and index markers advance smoothly, check that the date changes at midnight, and observe the rotor through the see through case back.

What comes in the box and what must I purchase separately?

The watch arrives in its original box with booklet, fitted on a stainless steel bracelet with deployment clasp. No extra items are required for immediate wear.

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