Rarity: Ricoh EXPO ’70 – Rare Hand-wound Watch for the Osaka World's Fair 1970

This extraordinary mechanical Ricoh EXPO ’70 dates from 1970 and is one of the most exciting and historic collector's watches from the early post-war period of Japanese watchmaking. It was not planned as a standard everyday watch, but was produced for the World Exhibition Expo ’70 in Osaka, Japan – the first World Exhibition in Japan and in Asia at all.

Historical Context – Expo ’70 & Ricoh

The Expo ’70 (officially Japan World Exposition 1970) took place from March 14 to September 13, 1970 and brought 77 countries to the site in Suita near Osaka. With over 64 million visitors, it became one of the largest cultural and technological events of the post-war era.

As an active exhibitor, Ricoh – at that time still a Japanese watch, camera, and electronics manufacturer – presented its technical achievements in its own pavilion. As part of this appearance, several EXPO ’70 models were created, designed as commemorative watches. The design language of the EXPO-70 watches is based on the official logo of the World Exhibition, which stylistically takes up the Japanese national flower, the cherry blossom (Sakura). It shapes the pentagonal case design and makes this model an iconic piece.

The watch is an official commemorative watch for the Expo ’70 Osaka with design elements based on the visual guidelines of Taro Okamoto (岡本太郎) – the outstanding Japanese artist and designer of the Expo's corporate identity.
Okamoto's distinctive design of the Expo symbol and its accompanying graphics flowed into the design of this Commemorative Watch, even though he is not directly documented as the product designer of the watch itself.

Ricoh itself is a traditional Japanese electronics and precision machinery manufacturer that has been producing watches for the domestic market and for export since the 1960s, establishing itself in the watch sector as a solid, robust brand with everyday and sports watches.

The Movement

At the heart of this Ricoh-EXPO is a manual winding movement with 17 jewels, typical for many high-quality wristwatches of the 1960s/70s. The movement is robust, easy to maintain, and can be completely overhauled by a watchmaker's service, which still ensures its everyday usability today. Such 17-jewel calibers were then technically and qualitatively at a level that makes them interesting both as a regular everyday watch and as a historical collector's item.

Technical Data

– Manufacturer: Ricoh
– Model: EXPO ’70 – World’s Fair Commemorative
– Year of Manufacture: approx. 1970
– Case Shape: Pentagonal Design, inspired by the Expo symbol
– Movement: Manual, 17 Jewels
– Diameter: 40.7 mm (without crown)
– Lug-to-Lug: 36.1 mm
– Height: 9.5 mm
– Lug Width: 18 mm
– Weight: 42 g including new black leather strap

Condition & Special Features

This example is in good used condition, technically functional and reliable, worn with a new leather strap in classic 18 mm width. The acrylic glass has two small cracks, which, however, are not very disturbing when viewed from above (see photos). The distinctive case with its pentagonal aesthetic is clearly pronounced and gives the watch a strong retro character that impressively reflects the turn of the times in the early 1970s.

Design & Symbolism:

• The distinctive case design is no coincidence, but is based on the Expo-70 logo and the cherry blossom symbolism of the exhibition.
• Ricoh thus not only made a contemporary design statement, but also created a memorabilia object with cultural context.

Collector's Value & Context

Commemorative watches from Expo ’70 are sought-after vintage pieces today, especially if they are still original and have a characteristic design.

This Ricoh EXPO ’70 is more than a watch: It is a historical document of one of the most significant global events of the post-war period, a piece of design and technical history from Japan, and a fascinating collector's item for fans of classic watches with a strong story.

Warranty (used)

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

Note on Water Resistance

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