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Post by earthphase on Oct 30, 2018 8:29:51 GMT -8
What is the difference between the KS 5626 and 4502 high beat movements? Is one considered better then the other in any regards?
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Mr.Jones
Needs a Life!
Hamburg, Germany
Posts: 4,679 
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Post by Mr.Jones on Oct 30, 2018 8:35:03 GMT -8
One is 28800 vph and automatic, the other 36000 vph and manual wind... So I wouldn't call one better than the other, just completely different?
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Post by earthphase on Oct 30, 2018 8:41:32 GMT -8
....4502 being manual?
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Mr.Jones
Needs a Life!
Hamburg, Germany
Posts: 4,679
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Post by Mr.Jones on Oct 30, 2018 8:45:45 GMT -8
...yes
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Post by earthphase on Oct 30, 2018 9:02:29 GMT -8
Which came first? And is the less beat rate a direct result of being automatic - why don’t they beat the same?
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Post by bklake on Oct 30, 2018 9:10:58 GMT -8
According to a Seiko Movement Table 4502 is 1965. 5626 is around 1969.
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Post by earthphase on Oct 30, 2018 10:17:10 GMT -8
Is the 5626 marked official certified chronometer different then a regular 5626?
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Oct 30, 2018 17:22:51 GMT -8
Which came first? And is the less beat rate a direct result of being automatic - why don’t they beat the same? Auto vs manual doesn't have anything to do with beat rate other than that is the way Seiko packaged them.
Higher beat rate is sort of like higher jewel count. Ideally, the higher the better but then you have certified chronometers that beat at 18,000bph and slower. The difference comes in the attention that the factory pays to the assembly and adjustment. Same with jewels; properly set and lubricated, the higher count should perform better and longer.
Any movement that Seiko puts in a case and displays 'chronometer' on the dial has had it's most skilled and experienced watchmakers assemble them. The same movement, if left to the robots will not likely give the same service and performance as the hand assembled ones.
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Post by philsinclair on Oct 30, 2018 18:53:41 GMT -8
Hi. Two issues here. First of all high bear rare means more wear on a fifty year old watch. Second the 5 series movements with date complication have that bloody plastic wheel that disintegrates. I stick with the non date ones and do like them. Cheers Phil
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HiBeat
Global Moderator
SEIKO Iko Iko GDTRWS
Posts: 8,685
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Post by HiBeat on Oct 30, 2018 19:46:19 GMT -8
I had a 5626 Grand Seiko Official Chronometer (plastic date change peice not broken !) and it kept time as well as any modern watch its timegrapher traces were unreal. Sold it to another member here. What a great watch. 28,800 bph.
I have the Official Superior Chronometer 4502 King Seiko at 36,000 bph. It is a great timekeeper with impressive Timegrapher performance but being an old watch it is not up to the modern GS or Swiss COSC standards.
Neither is 'better' - both are great. The 4502 is manual wind which is fine especially in rotation. The 5626 is auto and manual if you plan to wear it days at a time then the automatic feature might appeal.
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