Citizen Diver 4820789-Y - The Japanese Diver of the '70s!
Produced in the late 1970s, the Citizen Diver 150M series is one of the Japanese dive watches of the period that stands out for its durability and functionality. With water resistance up to 150 meters, luminous indices, and a powerful automatic movement, this model demonstrates Citizen's commitment to professional dive watchmaking.
Ref. 4820789-Y, with its classic black bezel design, large luminova-filled indices, and dark dial, is a model that will catch the eye of vintage diver enthusiasts.
Movement
Caliber: Citizen 8200A
Type: Automatic
Jewel Count: 21 jewels
Frequency: 21,600 bph
Functions: Hours, minutes, seconds, date
Features: Durable and long-lasting, the 8200 series is one of Citizen's most reliable automatic calibers.
Case and Glass
Reference No: 4820789-Y
Year of Production: Serial No. 81201620 → Manufactured in December 1978
Diameter: ~40 mm (excluding the crown, a robust diver size for its time)
Material: Stainless steel
Glass: Mineral crystal
Dial: Black matte finish, large luminova-filled indices
Bezel: Black diver bezel, unidirectional
Strap: Leather strap (period-appropriate)
Design Details
Bold baton indices are crafted with robust luminova indices for high readability in the dark.
The classic black diver bezel conveys a simple yet functional diving identity.
The date window, with red numerals, is another detail that reflects the vintage diver spirit.
The GN-4-S stamp on the caseback represents the durability of Citizen's diver cases.
Period and Collectible Value
Production Period: 1978 – The period when Citizen's diving watches took off
Water Resistance: 150M – a durability well above the standards of the period
Collectible Value: The Citizen Diver series, along with Seiko's diver models, were among the most sought-after Japanese diving watches of the 1970s.
Rarity: The reference 4820789-Y, with its original movement and dial in excellent condition, is a highly prized piece for collectors.
A Final Word
The Citizen Diver 4820789-Y is not just a watch; it's a time machine that embodies the spirit of Japanese diving in the 1970s. With 150 meters of water resistance, a powerful automatic 8200A caliber, and a vintage diver design, it's a special model for both collectors and those who want to embody the spirit of diving on their wrist.
The product you're viewing was manufactured in 1978.
Professionally overhauled and FULLY SERVICED (the movement is completely disassembled, its components cleaned, oiled, and adjusted), your watch will function flawlessly without any surprises. (It will be maintenance-free for 3 years unless exposed to direct water or high humidity for extended periods.)
Item Condition: Tested and fully functional.
