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Stress-free Promaster Mx - Bl5578-51e Diy Kit [3WBouMym]

$56.99 $182.99 -69%

From the stainless steel bracelet design that evokes imagery of tire tracks, to the black dial with bold green and yellow accents, the Promaster MX from Citizen is a racing enthusiast’s dream watch. The 43mm stainless steel case sports advanced featu

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Stress-free Promaster Mx - Bl5578-51e Diy Kit [3WBouMym]

From the stainless steel bracelet design that evokes imagery of tire tracks, to the black dial with bold green and yellow accents, the Promaster MX from Citizen is a racing enthusiast’s dream watch. The 43mm stainless steel case sports advanced features such as a chronograph, dual time zones and a perpetual calendar. The strong design elements and distinctive features are sure to stand out anywhere the road might take you—especially considering this piece powered by light with Eco-Drive technology.

Product Details

MODEL

  • BL5578-51E
  • 2/01/2021

MOVEMENT TECHNOLOGY

  • E820
  • Eco-Drive
  • Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.

BAND LENGTH (MM)

  • 254

CASE WIDTH (MM)

  • 43

LUG WIDTH (MM)

  • 21

BAND TYPE

  • Bracelet
  • Stainless Steel

CASE MATERIAL

  • Two-Tone
  • Stainless Steel

CRYSTAL

  • Sapphire Crystal
  • Superior scratch resistance and hardness

CLASP

  • Safety Fold Over Clasp with Push Buttons

DIAL

  • Black

WATER-RESISTANCE

  • WR200/20Bar/666ft [Swimming, Showering & Snorkeling]

ADDITIONAL FUNCTIONS

  • 1/20 Second Chronograph Measures up to 60 Minutes
  • Perpetual Calendar
  • Dual Time (Second Time Zone)
  • 12/24 Hour Time
  • Alarm
  • Date

What Our Customers Say

January 27, 2026

Absolutely no complaints!

I'm very, very, very, very, very happy with my buy.

- Gwydion H..

January 27, 2026

Absolutely no complaints!

A great product that is very, very, very, very, very solid.

- Nisien I..

January 27, 2026

Absolutely no complaints!

Excellent. I'm very, very, very, very, very happy with it.

- Afallach X..

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