
Citizen Promaster 48mm BJ8058-06L
Honouring Citizen’s legendary history of producing some of the world’s most robust and technologically advanced dive watches, the Citizen Promaster Eco‑Drive Professional 300m BJ8058-06L—affectionately known among collectors as the EcoZilla—is a true icon of professional‑grade engineering. Built within Citizen’s renowned Promaster Marine family, this ISO‑certified 300‑metre diver is powered by Citizen’s proprietary Eco‑Drive technology, generating energy from any light source to deliver continuous, maintenance‑free performance without ever needing a battery replacement.
Its oversized, ultra‑rugged case is crafted for extreme underwater conditions, complemented by a highly legible lume dial with bold luminous markers designed for maximum visibility at depth. The unidirectional bezel, screw‑down crown, and shock‑resistant construction reinforce its status as one of the toughest dive watches Citizen has ever produced.
Paired with a durable polyurethane strap and mineral crystal protection, the BJ8058-06L embodies the durability, precision, and innovative design that have made Citizen a global leader in professional diving instruments for decades.
What we love about the Citizen Promaster Eco‑Drive Professional 300m BJ8058-06L EcoZilla. This watch is a true cult classic—the bold, oversized aesthetic, unmatched toughness, and the reliability of Eco‑Drive power make the EcoZilla a favourite among serious divers and collectors. The BJ8058-06L offers fierce presence on the wrist while delivering professional‑grade performance, showcasing Citizen’s heritage of innovation, quality, and uncompromising durability.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom an hour after placing the order by choosing Click & Collect as the delivery option.
5 Year warranty from Citizen Watches (Australia). StarBuy are Authorised distributors of Citizen Watches. All Citizen Watches are shipped in Citizen original packaging released for Australia. All Citizen warranties are registered online on the Citizen Warranty Portal directly by StarBuy on behalf of the customer. After purchase and shipping by StarBuy, an email is sent by Citizen registering the warranty directly to the buyer. A link to the online instructions manual is also sent within the email. Citizen no longer supply any hard copies of the warranty booklet or the instructions manual.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Honouring Citizen’s legendary history of producing some of the world’s most robust and technologically advanced dive watches, the Citizen Promaster Eco‑Drive Professional 300m BJ8058-06L—affectionately known among collectors as the EcoZilla—is a true icon of professional‑grade engineering. Built within Citizen’s renowned Promaster Marine family, this ISO‑certified 300‑metre diver is powered by Citizen’s proprietary Eco‑Drive technology, generating energy from any light source to deliver continuous, maintenance‑free performance without ever needing a battery replacement.
Its oversized, ultra‑rugged case is crafted for extreme underwater conditions, complemented by a highly legible lume dial with bold luminous markers designed for maximum visibility at depth. The unidirectional bezel, screw‑down crown, and shock‑resistant construction reinforce its status as one of the toughest dive watches Citizen has ever produced.
Paired with a durable polyurethane strap and mineral crystal protection, the BJ8058-06L embodies the durability, precision, and innovative design that have made Citizen a global leader in professional diving instruments for decades.
What we love about the Citizen Promaster Eco‑Drive Professional 300m BJ8058-06L EcoZilla. This watch is a true cult classic—the bold, oversized aesthetic, unmatched toughness, and the reliability of Eco‑Drive power make the EcoZilla a favourite among serious divers and collectors. The BJ8058-06L offers fierce presence on the wrist while delivering professional‑grade performance, showcasing Citizen’s heritage of innovation, quality, and uncompromising durability.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom an hour after placing the order by choosing Click & Collect as the delivery option.
5 Year warranty from Citizen Watches (Australia). StarBuy are Authorised distributors of Citizen Watches. All Citizen Watches are shipped in Citizen original packaging released for Australia. All Citizen warranties are registered online on the Citizen Warranty Portal directly by StarBuy on behalf of the customer. After purchase and shipping by StarBuy, an email is sent by Citizen registering the warranty directly to the buyer. A link to the online instructions manual is also sent within the email. Citizen no longer supply any hard copies of the warranty booklet or the instructions manual.





