Citizen Men's Promaster Altichron / Promaster Land

Model: BN4021‑02E
Brand: Citizen
Collection: Promaster Altichron / Promaster Land
Gender: Men’s watch / Unisex

• Case Material: Titanium (Super Titanium™)
• Case Shape: Round
• Case Colour: Pale silver / Super Titanium
• Crystal: Mineral glass
• Case Back: Screw‑down titanium caseback
• Bezel: Fixed titanium bezel with direction‑compensation / protractor markings
• Bracelet Material: Synthetic rubber / silicone strap
• Bracelet Colour: Black
• Dial Colour: Black
• Dial Markers: Applied indices
• Luminescent Elements: Luminescent hands and indexes
• Clasp Type: Pin‑style buckle (tang)

• Movement Type: Eco‑Drive (solar‑powered quartz analog)
• Caliber: Citizen J280
• Power Source: Solar cell charging under any light
• Power Reserve: Approximately 11 months at full charge (11 months normal use, 13 months standard‑mode)
• Functions: Time (hours, minutes, seconds), date, power‑reserve indication
• Shielding: No radio‑controlled / over‑the‑air signal reception

• Case Diameter (without crown): 48–49,5 mm (49,5 mm most consistently cited)
• Case Thickness: 15,7–15,9 mm
• Case‑to‑Lug Length: Approx. 51–52 mm
• Lug Width: 20 mm
• Weight: 98–99 g (with rubber strap)
• Color Configuration:
• Case Colour: Super Titanium (silver‑tone)
• Bezel Colour: Titanium with black‑tone markings
• Dial Colour: Black
• Strap Colour: Black rubber

• 200 m water resistance (20 bar / 20 ATM)
• Titanium case with mineral glass
• Eco‑Drive J280 solar‑powered movement
• ISO‑type outdoor‑tool certification (alimeter + compass)
• 2–5‑year manufacturer warranty (retailer‑variant)
• Official Citizen box and instruction manual included