Citizen Eco Drive Chronograph - Model E870-s015278-HST-790467 – Vintage Watch Specialist
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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