SEIKO PROSPEX SPEEDTIMER Mechanical Chronograph | Seiko Watch Corporation
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SPEEDTIMER Mechanical Chronograph lineup

  • SRQ037J1

    SRQ037J1

  • SRQ043J1

    SRQ043J1

  • SRQ039J1

    SRQ039J1

  • SRQ035J1

    SRQ035J1

The Caliber 8R Series.

Designed for maximum precision
in every aspect.

All watches are powered by Caliber 8R46, the brand’s most advanced automatic chronograph movement for mechanical watches. This caliber incorporates both vertical clutch and column wheel mechanisms which ensure the precision and durability. The escapement is lightweight and strong, thanks to the use of MEMS technology which enhances the stability of the watch's precision. With the push of the reset button, the hands return back to zero instantly and in perfect synchronization.

Caliber 8R46

This caliber is designed and hand assembled completely in-house by Seiko's most skilled watchmakers.

SPEEDTIMER Mechanical Chronograph SRQ037J1

Photo of SPEEDTIMER Mechanical Chronograph Photo of SPEEDTIMER Mechanical Chronograph

Original model

The charcoal-gray dialed Speedtimer is inspired from Seiko's and Japan's first chronograph wristwatch, the Crown Chronograph from 1964. The 1964 Crown Chronograph was designed from scratch and it marked the beginning of Seiko's chronograph wristwatch manufacturing. It had a simple one-push mechanism but it amply demonstrated the same commitment to precision as would Caliber 6139 and all its successors with the inclusion of a column wheel to control the start, stop and reset functions.

Photo of 1964 クラウン クロノグラフ

1964

Crown chronograph

  • Dial

    The dial design is a subtle nod to the 1964 Crown Chronograph. Its beveled hour markers, sharp hour and minute hands with colored Lumibrite, its chronograph pushers and markers on the outer dial ring echo the design of the original.
    The chronograph second hand is gently curved down towards the dial so that the tip of the hand is as close as possible to the dial's markers and extends to the tachymeter markings at the very edge of the dial, thus ensuring that elapsed time can be read accurately at a glance.

  • Push buttons

    The construction of the chronograph pushers ensure the high level of operability crucial to a Prospex sports watch.

  • Bracelet

    The watch is presented on a stainless steel bracelet that is specially designed and constructed for the series. Its thickness, weight and low center of gravity ensure stability and a high level of comfort on the wrist.

SPEEDTIMER Mechanical Chronograph SRQ043J1

Photo of SPEEDTIMER Mechanical Chronograph Photo of SPEEDTIMER Mechanical Chronograph

Original model

1969 Speedtimer
The new Speedtimer chronograph takes inspiration from the 1969 Speedtimer, an important landmark in the history of chronograph watchmaking. Applying the technology invented for Seiko's stopwatches, the 1969 Speedtimer was the world's first automatic chronograph with a column wheel and vertical clutch. These two devices made the measurement of elapsed time more precise and error-free than ever before. The new model is to be the signature of the Speedtimer series. It inherits the innovative technology of the original model while achieving further evolution as a time measuring instrument.

Photo of 1964 クラウン クロノグラフ

1969

SPEEDTIMER

  • Dial

    The blue and red colors inspired by the 1969 Speedtimer are applied so that elapsed time can be read accurately at a glance. The dial has vertical hairline finishing and as the angle of vision changes, the dial turns from navy to vivid blue. Every detail of the watch reflects the high level of precision and performance of the watch as a time measuring instrument. The outer dial ring and sub-dial are in white so they stand out prominently against the blue dial to enhance legibility. The chronograph seconds hand is gently curved by hand for precise time measuring.

  • Optional Strap

    The bracelet can be replaced with a black leather strap whose stitching is designed to increase the strap's durability

SPEEDTIMER Mechanical Chronograph SRQ039J1

Photo of SRQ039J1 SPEEDTIMER Mechanical Chronograph Photo of SRQ039J1 SPEEDTIMER Mechanical Chronograph

A creation with the same specifications
and in a
blue color joins
the
Speedtimer collection.

  • Dial

    The dial's color is inspired by Seiko's timing and measurement devices used in 1964, when the company was the official timekeeper of the greatest international sporting event held in Tokyo that year.

  • Strap

    The watch is presented on a black crocodile strap with a matte finish. The stitching of the strap is designed to increase the durability.

  • Push buttons

    The large concave pushers ensure the high operability for which the original stopwatch was renowned.

SEIKO PROSPEXSPEEDTIMER
Mechanical Chronograph

SPEEDTIMER Mechanical Chronograph Limited edition SRQ035J1

Photo of SPEEDTIMER Mechanical Chronograph Photo of SPEEDTIMER Mechanical Chronograph

Original model

The new Speedtimer limited edition combines Seiko's heritage in sports timing and its leadership in chronograph technology.
The limited edition chronograph's dial pays homage to the 1/5th second stopwatch from 1964 and every detail of its design inherits the precision and legibility that were crucial to the high performance of the original.
The watch incorporates a new movement from Seiko's most advanced chronograph 8R series, Caliber 8R46. The new Speedtimer watch will be available as a limited edition of 1,000.

Photo of 1964 1/5秒計 積算式ストップウオッチ

1964

1/5th second stopwatch

  • Dial

    The numerals at each ten-second mark and the markings stand out prominently against the plain white dial and guarantee the same high level of legibility. The chronograph second hand is gently curved down towards the dial so that the tip of the hand is as close as possible to the dial's markers and extends to the tachymeter markings at the very edge of the dial, thus ensuring that elapsed time can be read accurately at a glance.

  • Push buttons

    The large concave pushers ensure the high operability for which the original stopwatch was renowned.

  • Case back

    The words "Limited Edition" and the individual serial number are inscribed on the see-thorough case back.

    * In an actual product, the case back direction might be different from the photograph.

  • Optional Strap

    If the wearer chooses, the bracelet can be replaced with the black leather strap that is also included and whose stitching is designed to increase the durability of the strap.

SEIKO PROSPEXSPEEDTIMER
Mechanical Chronograph Limited edition

Photo of SRQ035J1 SEIKO PROSPEX Photo of SRQ035J1 SEIKO PROSPEX

SRQ035J1

[ Caliber 8R46 ]

Limited edition of 1,000

Specifications