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Black stainless steel round watch 42mm sapphire crystal chronograph bracelet

Citizen

Citizen Eco-Drive Corso AT2145-86E 42mm Black Stainless Steel Watch

SKU CH-8R05-36W8D

Solar-powered chronograph with sapphire crystal, 100 m water resistance and black stainless steel bracelet

  • Solar-powered movement eliminates battery changes with Eco-Drive technology
  • Precise 1-second chronograph tracks intervals up to 60 minutes
  • Scratch-resistant sapphire crystal protects the black dial daily
  • 100-metre water resistance suits swimming and surface snorkelling
  • Black stainless steel bracelet with fold-over clasp secures comfortably

Citizen Eco-Drive Corso AT2145-86E

The Citizen Eco-Drive Corso AT2145-86E is a 42mm stainless steel watch with a black dial and matching bracelet. It is powered by Eco-Drive light charging and fitted with a sapphire crystal. The watch suits professionals who want a single timepiece for office and weekend wear.

Upgrade from battery quartz

Replaces a standard battery quartz that needs a cell change every few years. The jump is worth it when you want to avoid opening the case back and you value a 100 meter water resistance rating that survives swimming and showering. The H504 base movement adds a 1 second chronograph measuring up to 60 minutes plus 12/24 hour time and date.

Daily wear capacity

Handles daily desk work, outdoor activity and recreational swimming without concern. The sapphire crystal resists scratches that would mark mineral glass. The fold over clasp with push buttons stays secure during movement. It runs out when a buyer needs a dedicated dive timer, a GMT hand or a larger case diameter than 42mm.

How it compares

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

Price $536.99
Pricier than about 90% of the 2,679 comparable items (median $130.99).

Specifications

No published specifications for this item yet.

Questions about this item

What is the 42 mm case width and lug-to-lug distance for strap compatibility?

The round stainless-steel case measures 42 mm in both width and length, giving a 42 mm lug-to-lug span for aftermarket straps or bracelets.

How do I set the 12/24 hour format and date on the H504 Eco-Drive movement, and what step is often missed?

Pull the crown to the second click, rotate to choose 12 or 24 hour mode, then advance hands past midnight to flip the date; the missed step is confirming the AM/PM cycle so the date changes at noon instead of midnight.

When should the sapphire crystal and 100 m water-resistance seals be inspected or replaced?

Have the gaskets pressure-tested and the sapphire crystal checked for chips every two to three years or after any hard impact to maintain the 100 m rating.

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