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Seiko Grand Quartz 4843-7000 (Sold)


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About Details and then some
Manufacture Seiko Grand Quartz
Model reference QNK020 4843-7000
Movement Quartz
Caliber 4843
Dial White linen
Case 38x42x11mm Steel
Lugs 19mm
Bracelet XQB310 22cm
Crystal serial # 300W88GA Hardlex
Timegrapher Accuracy:+0,3spd
Jewels 9
Serial # 58xxxx Production: 1975-08
Condition Excellent
Service New original (!) crystal Full service 2021-01
Box & Papers No box No papers

The 4843 is a very solidly made quartz - your watchmaker will love it! The production run of the 48 base caliber spanned just four years so they are highly collectible. The 4843-7000 however, even more so... read on.

In the first year of its production in 1975, only the Grand Quartz reigned supreme right next to the Quartz V.F.A, with just four models, 7000/8000/8010/8020. There were no other GQ calibers and only the -7000 was in fact affordable for the regular customer, the others being made of precious metals.

The more classically designed models 8030/8040/8041 were introduced later in 1975 and again only made for just three years. These came with a thick steel band for the 4843 and with leather only for the 4840 & 4842. That setup never changed for this caliber. Even when the much daintier 48xx-8110 variation was introduced in 1977, ending the 8030/8040/8041 production run in that year.

In 1978 Seiko introduced the twin quartz 9943, ending all of the 48xx caliber that year. The 48xx of the year before however remained a thicker and wider flaring watch (38x43x11mm!) and was more robust than its 9943 descendant - it is after all a Tanaka design. Therefore it already has a huge presence, apart from its very modern dimensions. This is also translates into the bracelet mentioned, which was uniquely designed for 1976/77 only. It is a very heavy, very tight bracelet - almost like those of the King Seiko Vanac of the day.

The early 4843 variations have always had a definite "butch" personality to them as evidenced by their measurements of course... They are the definite early "kings" of the 48s, as other later variations like the -8110 are already smaller with lugs of 18mm instead of 19mm and dimensions of 36x40x10mm. 

Describing this watch reminds one of just that. For instance, the thermo-compensation, due to its relative thickness, is still excellent after all these years. The white linen dial work of course is impeccable, truly a high end watch. You noticed the black striped hands? It gives this watch something extra..... great legibility and some "punch". And that punch is also implemented in the mechanics of this watch, it has that special Seiko gimmick of the "jumping seconds hand". This means that it will jump ahead 10 seconds when you pull the crown to adjust the time. It makes time setting so much easier!

The Grand Quartz at hand is fully original with an original bracelet, is not polished and runs to specs.

In my experience these single quartzes are among the most accurate vintages; the twin quartzes like the 99 series mentioned have the specs for sure, but after 40 years or so… build quality and robustness gain the upper hand. The early Grand Quartzes truly shine!