SEIKO Prospex Speedtimer SRQ057 Datsun 240Z Limited Edition - Available September 2025

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SEIKO Prospex Speedtimer SRQ057 Datsun 240Z Limited Edition - Available September 2025

$3,200.00

Seiko Prospex Speedtimer
Mechanical Chronograph
Datsun 240Z Limited Edition

Limited Edition of 500 Pieces, Available September 2025

Dial / Bezel

Displaying the "Datsun" name in cursive script at the 12 o'clock position.
Automatic chronograph features a tachymeter scale located on the outer bezel for enhanced legibility and a sporty aesthetic.
Furthermore, the scale used allows for measuring speeds from 50km/h to 60 km/h, paying homage to the original Speedtimer bezel format from 1969.

Case

The new case is produced using Seiko’s latest watchmaking technologies to create a classic and refined construction.
The case feature hairline and polished finishing
The hammer-shaped push buttons used to operate the stopwatch function provide high operability.

Case Back

Datsun 240Z logo which is based on the emblem on the rally car is engraved on the case back.
The words "LIMITED EDITION" and the serial number are applied on the case back, making it a special specification high in rarity.

Specifications

Movement

Caliber Number: 8R48

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 45 hours

Jewels: 34

Functions

  • Chronograph with 30 minutes & 12 hours

  • Stop second hand function

  • Date display

Case/Band

Case Material

Stainless steel (hard coating)

Case Size

Thickness:14.6mm
Diameter:42.0mm
Lug-to-lug:49.5mm

Crystal

Dual-curved sapphire crystal

Crystal Coating

Anti-reflective coating on inner surface

LumiBrite

LumiBrite on hands and index(es)

Band Material

Cow leather

Clasp

Three-fold clasp with push button release

Bracelet Length

192.0

Distance between lugs

20

Other Details

Water Resistance

10 bar

Magnetic Resistance

4,800 A/m

Weight

127.0g

Features

  • LIMITED EDITION on the case back

  • Serial number engraved on the case back

  • Tachymeter function

  • Screw case back

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

1 available
Pre-order, Available September

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