Citizen Men's Eco-Drive Dress Classic Calendrier Watch (Model: BU2100-05E)

4.10 (4)
Best price today
$281.40
Save 0.10% vs RRP ▼ 0.27%
Best
AMAZON
4.10 (4)
In stock
$281.40
$281.69 -0.1%
Prices last updated Feb 08, 2026

Highlights

  • Eco-Drive movement eliminates battery changes for hassle-free use.
  • Water resistant up to 100 meters, perfect for swimming and snorkeling.
  • Stylish black leather strap with deployment clasp for a secure fit.
  • Sleek black dial with analog day-date display for easy readability.
  • Durable stainless steel case and bezel for added longevity.

Description

Elevate your style with the Citizen Men's Eco-Drive Dress Classic Calendrier Watch (Model: BU2100-05E). This sophisticated timepiece seamlessly combines elegance and functionality, making it the perfect accessory for any occasion. Crafted with a sleek black leather strap, this watch is designed for comfort and durability. The black dial features an analog display with a day-date calendar, ensuring you stay organized while looking stylish. With a case diameter of 44 millimeters and a thickness of 13.05 millimeters, this watch makes a bold statement on your wrist. The stainless steel case and bezel offer a refined finish, while the mineral crystal dial window protects against scratches. One of the standout features of this watch is its Eco-Drive movement, which harnesses light to power the watch, eliminating the need for battery replacements. Enjoy peace of mind with its impressive water resistance of up to 100 meters (10 ATM), making it suitable for swimming and snorkeling. Perfect for both formal and casual settings, the Citizen Eco-Drive Dress Classic Calendrier Watch is not only a timepiece but a testament to quality craftsmanship and innovative technology. Join the ranks of satisfied customers who have rated this watch 4.1 out of 5 stars, and experience the perfect blend of style and sustainability.

Specifications

Item Model Number BU2100-05E
Department Mens
Date First Available April 14, 2025
Manufacturer Citizen
Best Sellers Rank #5,260 in Men's Wrist Watches
Customer Reviews 4.1 4.1 out of 5 stars
Brand Or Seller Or Collection Name Citizen
Model Number BU2100-05E
Part Number BU2100-05E
Item Shape Round
Dial Window Material Type Mineral Crystal
Display Type Analog
Clasp Deployment Clasp with Push Buttons
Case Material Stainless Steel
Case Diameter 44 Millimeters
Case Thickness 13.05 millimeters
Band Material Leather
Band Size Mens Standard
Band Color Black
Dial Color Black
Bezel Material Stainless Steel
Bezel Function Stationary
Calendar Day-Date
Special Features Water Resistant
Item Weight 10.23 ounces
Movement Eco-Drive Movement
Water Resistance Depth 10 ATM, 100 meters, 330 feet
Warranty If this product is sold by Amazon, please review the manufacturer’s website for warranty information
Brand Citizen
Package Dimensions 4.92 x 3.94 x 3.11 inches; 10.23 ounces

Price history

Reviews

No user reviews yet. Write first.


Best Deals


Invicta Men's 0929 Anatomic Subaqua Watch
Invicta
Invicta Men's 0929 Anatomic Subaqua Watch
(10)
Plastic
$78.89
Casio Pop LF-30W Series - LED Illuminator, World Time, and Stopwatch
Casio
Casio Pop LF-30W Series - LED Illuminator, World Time, and Stopwatch
(37)
Resin | Mens
$39.95 $33.98
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
Invicta
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
(850)
Stainless Steel | Mens
$129.90 $53.88
Timex Women's Simone Multifunction 38mm Watch - White Strap, White Dial, Gold-Tone Case
Timex
Timex Women's Simone Multifunction 38mm Watch - White Strap, White Dial, Gold-Tone Case
(17)
Womens | Brass
$45.78
TIMEX Men's Easy Reader 38mm Watch - Vegas Golden Knights Edition
Timex
TIMEX Men's Easy Reader 38mm Watch - Vegas Golden Knights Edition
(15)
Brass
$79.00 $42.73
Timex Men's Easy Reader 35mm Day-Date Watch – Gold-Tone Case
Timex
Timex Men's Easy Reader 35mm Day-Date Watch – Gold-Tone Case
(20387)
Mens | Brass
$71.00 $56.80
Timex Tribute Men's NHL Citation 42mm Watch – Toronto Maple Leafs
Timex
Timex Tribute Men's NHL Citation 42mm Watch – Toronto Maple Leafs
(67)
Brass
$89.00 $65.86
Timex Women's Easy Reader 25mm Watch - Gold-Tone Expansion Band White Dial
Timex
Timex Women's Easy Reader 25mm Watch - Gold-Tone Expansion Band White Dial
(5004)
Womens | Brass
$73.00 $49.92
Invicta Men's 15862 S1 Rally Analog Display Japanese Automatic Black Watch
Invicta
Invicta Men's 15862 S1 Rally Analog Display Japanese Automatic Black Watch
(664)
Stainless Steel
$129.99 $79.90
Tissot Unisex Everytime 34mm Quartz Watch
Tissot
Tissot Unisex Everytime 34mm Quartz Watch
(2)
Stainless Steel | Unisex
$315.00
Timex Women's Easy Reader 30mm Watch - Black Strap White Dial Silver-Tone Case
Timex
Timex Women's Easy Reader 30mm Watch - Black Strap White Dial Silver-Tone Case
(109)
Womens | Brass
$67.00 $42.50
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
Timex
Timex Women's Modern Easy Reader 32mm Watch – Gold-Tone Case
(2076)
Brass
$63.00 $44.70
Seiko Women's Automatic Watch Stainless Steel with Multicolour Strap - SYMG42K1
Seiko
Seiko Women's Automatic Watch Stainless Steel with Multicolour Strap - SYMG42K1
(1822)
Stainless Steel
$151.20
Timex Men's Expedition Scout 40mm Watch – Gray Case Blue Dial
Timex
Timex Men's Expedition Scout 40mm Watch – Gray Case Blue Dial
(27417)
Brass
$49.99
Timex Tribute Men's Collegiate Gamer 42mm Watch – Navy Midshipmen
Timex
Timex Tribute Men's Collegiate Gamer 42mm Watch – Navy Midshipmen
(0)
Mens | Brass
$69.95 $55.20
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Two Tone
Invicta
Invicta Men's Speedway 42mm Stainless Steel Quartz Watch - Two Tone
(39)
Stainless Steel | Mens
$60.49
Invicta Men's 0076 Pro Diver Collection Chronograph Black Ion-Plated Stainless Steel Watch
Invicta
Invicta Men's 0076 Pro Diver Collection Chronograph Black Ion-Plated Stainless Steel Watch
(23439)
Stainless Steel | Mens
$53.88
Invicta Women's Specialty Quartz Watch, Rose Gold - Model 29417
Invicta
Invicta Women's Specialty Quartz Watch, Rose Gold - Model 29417
(45)
Stainless Steel | Womens
$89.90 $59.27
Timex Men's Easy Reader 38mm Watch - Clemson Tigers with Expansion Band
Timex
Timex Men's Easy Reader 38mm Watch - Clemson Tigers with Expansion Band
(5)
Brass
$79.00 $47.80
Timex Men's Waterbury 41 mm Watch, Black Leather Strap
Timex
Timex Men's Waterbury 41 mm Watch, Black Leather Strap
(1)
Mens
$139.97
Best price $281.40
See offers