The 101 Series Early Models were introduced in 1969, coinciding with the opening of the Seibu Chichibu Line. These vehicles were designed for mountainous routes, featuring high power and advanced braking performance. A total of 278 cars were manufactured. Initially, they were non-air-conditioned four-car formations, but air-conditioning was later added, and some formations were expanded to six-car through-train formations. These trains were widely operated across various Seibu lines, excluding the Seibu Yurakucho Line and Yamaguchi Line, and were a central part of Seibu Railway operations, even running in formations of up to 10 cars. They were retired in 2010 and are currently preserved at the Yokoze Vehicle Base.
The 101 Series, which supported passenger transportation on the Seibu Chichibu Line for 55 years, is now available. The side windows' warm gray color has been eliminated, resulting in a single yellow color six-car formation. You can enjoy the scenes of the former Seibu Line alongside the simultaneously released items such as the <10-1359 Seibu Railway 5000 Series <Red Arrow>> and <10-431 Seibu E851 Cement Train>.
- The initial type 201 formation with centralized air-conditioning for the six-car production model
- Reproduction of the appearance from the late 1990s with the elimination of warm gray around the side windows, resulting in a single yellow color
- Accurate representation of stainless steel parts such as the front decorative plates, passenger doors, front handrails, and aluminum sash windows
- Side glass colors are silver for sashes and passenger door window frames, while H-gum on door pocket windows is black
- All cars are equipped with centralized air-conditioning, reproduced in silver
- The lead car features head/tail lights and illuminated front destination indicators. The headlights are a light bulb color, and the front destination indicators are white. Equipped with a switch for turning off
- The front features a standard dummy coupler. For coupling lead cars, includes a KATO coupler tight connection type (without jumper tubes). Mid-section coupling is equipped with a standard KATO coupler tight connection type
- The front destination indicator is plain white. Includes destination indicator stickers
- Compatible with interior lighting kit Kato11-211 (11-212)
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