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Seiko Grand Quartz 4843-5100 & GQ buckle (Sold)

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About Details and then some
Manufacture Seiko Grand Quartz
Model reference QNK030 4843-5100
Movement Quartz
Caliber 4843
Dial Silver paper
Case 35x42x11mm Steel
Lugs 20mm
Bracelet Leather (not croc depicted!) 22cm
Crystal serial # SA0W46GN00 Hardlex
Timegrapher Accuracy:+0,2spd
Jewels 9
Serial # 75xxxx Production: 1977-05
Condition Excellent
Service Not required
Box & Papers & Buckle GQ buckle No box & 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 becoming highly collectible!

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 three models, 8000/8010/8020. There were no other GQ calibers. The models 8030/8040/8041 were introduced later in 1975 and made for just three years! They 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.

This 4843-5100 has a definite "butch" personality to it as evidenced by its measurements of course... It is the definite early "king" of the 48s, as other variations are already smaller with lugs of 18mm instead of 20mm.

In 1978 already Seiko introduced the twin quartz 9943, ending all of the 48xx caliber that year. This watch however, the 4843-5100 remained the larger timepiece. It 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. 

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 Silver paper dial work of course is impeccable, truly a high end watch. You noticed the black 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 buckle, 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!