Seiko age determination based on the years of manufacture of known models

The following Seiko watch models are known and documented by their year of manufacture:

1929 first Seiko station clock

1939 first blind pocket watch for reading by touch

1969 Seiko Quartz Astron - world's first quartz watch

1975 world's first diving watch made of titanium

1975 Automatic Chronograph Carrée FormDay/Date, stainless steel, green, ind. second

1976 Chronograph Cal. 6138 P, 21 jewels, automatic, day/date

1976 "Pepsi" Chronograph red/white, day/date, stainless steel, tachymeter scale

1977 Chronograph Cal. 6139 B, automatic, day/date, black, indicative second

1980 automatic chronograph day/date, red/white, yellow dial, ind. sec.

1980 Chronograph, 21 jewels, 2 sub-dials, day/date above the "6"

1988 Chronograph Quartz "Sports 100", steel/gold, 3 sub-dials, day/date

1990 Chronograph Quartz, Cal. 7T32, Date, Steel/Gold

1992 Chronograph Quartz, Alarm, Date, Tachymeter Bezel, 3 Sub-Dials

1993 Chronograph quartz "Olympic World", cal 5 T 52, gold bezel with world time display

1993 Chronograph Quartz "Esqu 100 Multifort" titanium case/strap, 4 sub-dials

1993 Chronograph Quartz "Sports 150" Cal. 8 M32/8018 Light metal case

Timeline with models:

1881 Founding of K. Hattori & Co., Ltd. by Kintaro Hattori, the predecessor of today's SEIKO CORPORATION.

1892 Founding of the Seikosha watch factory. Start of production of wall clocks.

1895 Start of production of pocket watches. Seiko brand watches (1924).

1899 Start of production of alarm clocks. 1902 Start of production of table clocks and music boxes.

1913 Start of production of the first wristwatch made in Japan.

1917 K. Hattori & Co., Ltd. becomes a public company.

1924 First use of the SEIKO brand on watches.

1937 Watch production is spun off into Daini Seikosha Co., Ltd., the independent predecessor of today's Seiko Instruments Inc.

1942 Founding of the watch manufacturer Daiwa Kogyo Ltd., the predecessor of today's Seiko Epson Corporation.

1955 Start of production of the first self-winding wristwatch made in Japan. A replica has been on display in the Smithsonian Museum since 1999.

1958 Introduction of quartz clocks for radio.

1959 Introduction of transistorized table clocks.

1963 Development of a portable quartz chronometer.

1964 SEIKO acts as the official timekeeper of the Olympic Games in Tokyo.

1968 Founding of a subsidiary in Hong Kong.

1969 Introduction of the Seiko Astron, the world's first quartz watch (35SQ).

1970 Seiko Time Corporation founded in the USA.

1971 Seiko Time (UK) Ltd. is founded. The Seiko Time Corporation in the USA opens its first branch in Canada.

In 1972, Seiko Time GmbH was founded in the former Federal Republic of Germany. SEIKO served as the official timekeeper of the Winter Olympics in Sapporo, Japan.

1973 Introduction of the world's first LCD quartz watch with six-digit digital display (06LC).

1974 Founding of Seiko Time Ltd. in Brazil.

1975 Introduction of the world’s first multifunction digital watch.

1976 Introduction of the world’s first quartz alarm clock.

1977 Founding of a subsidiary in Australia. Establishment of a subsidiary in Panama.

1978 Founding of a subsidiary in Switzerland. SEIKO is the official timekeeper of the FIFA World Cup in Argentina. Launch of the world's first high-precision twin-quartz watch with a rate deviation of less than five seconds per year.

1979 Founding of a subsidiary in Sweden. Launch of the Pulsar brand. Launch of the Alba brand.

1980: Founding of a subsidiary in the Netherlands. 1981: Establishment of a representative office in Dubai. Launch of the Lassale brand.

1982 SEIKO is the official timekeeper of the FIFA World Cup in Spain. The world's first TV clock is introduced. The Lorus brand is launched.

1983 K. Hattori & Co., Ltd. is renamed Hattori Seiko Co., Ltd. The world's first watch with a sound recording function is introduced.

1984 Introduction of the world's first talking watch, the Seiko Pyramid Talk.

1986 SEIKO is the official timekeeper of the Football World Cup in Mexico.

1987 SEIKO is the official timekeeper of the 2nd IAAF World Championships in Athletics in Italy.

1988 Introduction of a quartz watch with a central second hand. Introduction of a quartz watch powered by the wearer's movement, requiring no batteries. Introduction of the world's first intelligent analog quartz watch with alarm, chronograph, and timer functions, controlled by an integrated computer-on-a-chip.

1989 Founding of a subsidiary in Thailand.

1990 Major overseas subsidiaries begin using the SEIKO name. Hattori Seiko Co., Ltd. is renamed SEIKO CORPORATION. SEIKO serves as the Official Timekeeper of the FIFA World Cup in Italy. Seiko introduces "The Age of Discovery" collection. Launch of the Seiko Scubamaster, the world's first computerized diver's watch with a dive table. Launch of the Seiko Receptor MessageWatch with a miniaturized FM subcarrier.

1991 Establishment of a subsidiary in Finland. Establishment of a subsidiary in Taiwan. SEIKO serves as the Official Timekeeper of the 3rd IAAF World Championships in Athletics in Tokyo, Japan. Introduction of the Seiko Perpetual Calendar with the world's First “Millennium Plus Calendar”.

1992 SEIKO acts as the official timekeeper of the Olympic Games in Barcelona, Spain.

1993 Introduction of the golf club (S-YARD).

1994: Establishment of a representative office in Beijing. Seiko serves as the Official Timekeeper of the Winter Olympics in Lillehammer, Norway. Launch of the Seiko KINETIC series. 1995: Launch of the Alba "Spoon" series.

1996 Founding of SEIKO Optical Products, Inc. Founding of SEIKO Clock Inc. Founding of SEIKO Precision Inc.

1997 SEIKO Jewelry Co., Ltd. was founded. SEIKO Watch Sales Inc. was founded, merging the watch business and marketing divisions. The Japanese company name was changed to SEIKO Kabushiki Kaisha. SEIKO KINETIC ARCTURA was introduced.

1998 SEIKO serves as the Official Timekeeper of the Winter Olympics in Nagano, Japan. Launch of the perpetual calendar watch, powered by the world's first ultrasonic micromotor. Launch of the SEIKO THERMIC, the world's first watch with

Source: Wolfgang Salm "Wristwatches", "Watch Lounge" 4/2008, brittons-watches.co.uk