SKU: 24752
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WHAT WE LOVE:
The 7T52-6A30 is a significant reference in Seiko's quartz chronograph history — it carries the Calibre 7T52, Seiko's first quartz movement capable of measuring elapsed time to 1/100th of a second in analogue display, introduced in 1992. Where Swiss manufacturers were producing quartz chronographs with 1/5th or 1/10th second resolution, Seiko's 7T52 doubled the precision of the best available quartz chronograph resolution at the time, displaying it across three analogue sub-registers with red accent hands. In the JDM market this reference was marketed under the "Speedmaster" name — the same designation Seiko had used for their motorsport chronograph line since the 1960s — reflecting the tachymeter-equipped, high-precision timing brief the watch was designed to fulfil.
The case architecture is the other immediately distinctive detail. The angular, cushion-influenced silhouette with its four cylindrical pushers positioned at the 2, 8, and 10 o'clock positions gives the 7T52-6A30 a purposeful, sport-instrument appearance that separates it visually from the conventional two-pusher chronographs of its era.
WHAT'S INSIDE:
The 7T52-6A30 is powered by Seiko Calibre 7T52 — Seiko's first quartz chronograph movement with 1/100th second analogue display capability, a battery-powered Japanese quartz movement with three analogue sub-registers.
FIVEFORTYFIVE SIX MONTHS WARRANTY