An elegant Japanese vintage dress watch from the early phase of the modern Japanese watch industry. The Chateau Calendar belongs to a model family originally developed by the Japanese watch company Takano Seimitsu Kogyo (高野精密工業), and is now considered an interesting chapter in Japanese watch history.

The model combines the clear elegance of the early 1960s with a reliable Japanese hand-wound movement and a date display. The silver sunburst dial with applied gold-colored indices and slim dauphine hands gives the watch a timeless classic appearance.

Particularly characteristic is the domed plexiglass with date magnifier (Cyclops), a typical design feature of many high-quality dress watches of this era.

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Historical Background – Takano and the Chateau Series

The model name "Chateau" was introduced in the late 1950s by the Japanese watch company Takano Seimitsu Kogyo.

Takano was a technically ambitious manufacturer from Tokyo that began developing its own mechanical wristwatches in the late 1950s. Despite the brand's relatively short existence, Takano watches are now among the most interesting early examples of Japanese hand-wound watches.

Key model lines included:

- Chateau
- Chateau Deluxe
- Chateau Nouvel
- Chateau Frontier
- Chateau Calendar

The Chateau Calendar, introduced in 1962, was the first model in this series with an integrated date display.

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The Ricoh Takeover – A Rare Chapter in Japanese Watch History

Shortly after the introduction of the Chateau Calendar, a crucial event occurred:

In 1962, Riken Optical Co. (Ricoh) acquired the financially troubled manufacturer Takano.

After the acquisition, the Takano brand was gradually phased out, but many designs and model lines were initially continued.

During this transitional phase, watches were produced:

- with Takano design
- some with Takano calibers
- some already with Ricoh technology

Interestingly, some of these models continued to be sold under their original model names – without the Ricoh name appearing on the dial.

The present watch fits precisely into this historical transitional phase.

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Caseback and Reference

The caseback bears the engraving:

STAINLESS STEEL BACK
CHATEAU CALENDAR WATER PROOF
541111

This reference is typical for cases from early Takano and early Ricoh production in the early 1960s.

The combination of:

- gold-plated case
- stainless steel back
- reference 541111

very clearly indicates manufacturing shortly after the Takano acquisition by Ricoh, i.e., around 1962–1963.

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Movement

Inside, a mechanical hand-wound movement with 19 jewels operates.

These movements are based on designs originally developed by Takano and later partially continued in Ricoh production.

Typical features:

- classic hand-wound
- date display at 3 o'clock
- 19 jewels
- robust construction for long life

Movements of this generation are considered solid and durable and are typical representatives of early Japanese hand-wound technology.

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Design

The watch embodies the classic style of the early 1960s:

- silver sunburst dial
- applied gold-colored hour markers
- dauphine hands
- date display at 3 o'clock
- domed plexiglass with Cyclops magnifier
- elegant gold-plated case

With a diameter of 37.5 mm, the watch appears relatively modern for a vintage dress watch and wears very comfortably even today.

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Technical Data

Brand: Chateau
Model: Chateau Calendar

Origin: Takano / early Ricoh era

Movement: mechanical hand-wound movement
Jewels: 19 Jewels

Case: gold-plated metal case
Caseback: Stainless steel

Reference: 541111

Diameter: 37.5 mm (without crown)
Lug-to-Lug: 45 mm
Height: 9.6 mm

Lug Width: 18 mm

Weight: 47 g (incl. leather strap)

Crystal: Plexiglass with date magnifier

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Strap

The watch is fitted with a new brown leather strap that perfectly matches the gold-colored case and emphasizes the elegant vintage character of the watch.

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Condition

The watch is in good vintage condition.

- beautiful original dial
- functioning date display
- plexiglass with age-related micro-traces
- new leather strap

The gold-plated case shows typical age-related wear of the plating in places, as is common with watches of this type.

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Why Takano Watches are Increasingly Sought After Today

For a long time, Takano watches were barely known even among collectors. In recent years, however, this has changed significantly.

There are several reasons for this:

1. Extremely Short Production Period

Takano produced wristwatches under its own name only from about 1957 to 1962. As a result, only a comparatively small number of original models exist.

2. Historical Significance

The brand represents an important segment of Japanese watch history: the transition from small specialized manufacturers to large industrial conglomerates like Ricoh.

3. Growing Collector Demand in Japan

Since about 2022, there has been a noticeable increase in interest in Takano models, especially in Japan. Vintage magazines and collector forums have rediscovered the brand, leading to stronger demand.

Models from the Chateau series, in particular, are now considered particularly typical representatives of this short but interesting phase of Japanese watch production.

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Warranty (used)

This is a used item. The limitation period for claims for defects (statutory warranty) is 12 months from delivery.

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Note

As this is a used watch, no water resistance can be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.