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The Tanaka Line

Grand Seiko 61GS 6146-8000

Steel Grand Seiko 6146-8000 with crosshair dial and day-date display
Grand Seiko 61GS · 6146-8000 · May 1969

Volumes brought together in light

The crosshair takes the familiar 61GS case somewhere quite different. Its block markers replace the quieter bars with a small landscape of masses, shadows and intervals. The thin cross across the dial provides a framework for those forceful volumes. I find it a remarkably coherent composition, even with so much more happening within it.

I usually gravitate towards bar markers: they distribute their mass more evenly around the dial and give the eye a simpler reading. This watch is the persuasive exception. Its extravagant little blocks make light and empty space palpable. My comparison with architecture was quite deliberate: it is a sculpture small enough to carry around.

Edges recovered

My May 1969 example has had its case restored by Lapinist. The distinction that matters to me is between marks acquired through use and the loss of the geometry itself. A scratch can coexist with a clear design; blurred junctions can make that design difficult to read.

With the planes and folds recovered, the dialogue between case and dial is wonderfully clear again. On the period 6145/46 800 bracelet, the band’s dark intervals add another rhythm alongside the shadows cast by the markers.

Grand Seiko 6146-8000 crosshair on its steel 6145/46 800 bracelet, with sharp case folds and contrasting block markers
The restored 6146-8000 crosshair on its period 6145/46 800 bracelet.

The watch

Reference6146-8000
My exampleMay 1969
ManufactureSuwa Seikosha
Movement6146A · automatic
Beat rate36,000 vibrations/hour · 5 Hz
FunctionsHours, minutes, central seconds, day and date
CaseStainless steel
DialCrosshair · sculpted block markers
Case width, without crown36.8 mm
Thickness, including crystal12.1 mm

Dimensions measured on this example.

A different kind of calendar

Comparing this crosshair with my 6156-8010 Special revealed a difference that photographs cannot tell you. This earlier 6146 has an English day display and quick-setting for the date; the later Special adds an English–kanji day display and quick-setting for the day as well. A familiar family appearance conceals a meaningful change in everyday use.

Close comparison of the crosshair Grand Seiko 6146-8000 at left and 6156-8010 Special at right, displaying English and Japanese Sunday
The crosshair 6146-8000 and the 6156-8010 Special, with their different Sunday displays.

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