Citizen Eco Drive Chronograph - Model E870-s015278-HST-790467 – Vintage Watch Specialist
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The oil crisis in 1973 raised global awareness and interest around alternative sources of clean energy. CITIZEN responded to the challenge by starting to develop watches driven by a completely new energy source: light. And in 1976, they created the world’s first light-powered watch. The technology was named Eco-Drive.
The oil crisis in 1973 raised global awareness and interest around alternative sources of clean energy. CITIZEN responded to the challenge by starting to develop watches driven by a completely new energy source: light. And in 1976, they created the world’s first light-powered watch.
The technology was named Eco-Drive. This technology can generate power from any light source, artificial, natural, and even dim light to keep watches running without ever replacing batteries. As a pioneer of the field, Citizen set new challenges for themselves to bring forth the full potential of power generation using light.
What’s On Offer
Stainless steel case with a stainless steel bracelet and fixed stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers. Months of the year around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 4 o'clock position. Day of the week display at the 2 o'clock position. Two sub-dials displaying: 24 hour and functions. Citizen caliber Eco-Drive E870 eco-drive movement. Scratch-resistant sapphire crystal. Pull/push crown.
Functions include Perpetual calendar, leap year, alarm, month, date, day, GMT, second time zone, hour, minutes, and seconds.
Additional information
Made from
Case: Stainless steel
Dial: black
Crystal: Crystal
Bracelet: Stainless steel
Technical specifications
Winding: n/a
Movement Type: Eco-Drive
Caliber: GN-4W-S
Jewels: n/a
Waterproof: 10 bar when new
Power reserve: n/a
Purchase details
Condition: Good
Model Reference Number: E870-S015278-HST-790467
Date of issue:
Guarantee: 3 months by VWS
Dimensions
Width: 40mm
Lug width: 21mm
Lug height: (lug to lug) 45mm
Wrist size: Stainless steel band
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Citizen Eco Drive Chronograph - Model E870-s015278-HST-790467
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