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Seiko 5 7009-3110 SNXJ90 (Sold)


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About Details and then some
Manufacture Seiko Seiko 5
Model reference “SNXJ90” 7009-3110
Movement Automatic
Caliber 7009
Dial Silver Sunburst
Case 36x42x11mm Steel
Lugs 20mm
Bracelet G1341-E 21cm
Crystal serial # Unknown Mineral
Timegrapher Acc: as rated for 7S26
Jewels 17
Serial # 41xxxx Production: 1994-01
Condition Excellent
Service Not required
Box & Papers No box No papers

Seiko caliber 7009 is the SNXJ precursor automatic watch movement produced from around 1979 until 1996. The actual SNXJ line was discontinued in August 2014. There are some differences of course in that the 7009 has no display caseback and is therefore much flatter.

Inside the stainless steel case of the SNXJ line, you can find the revered Seiko 7S26 movement. This automatic caliber beats at 21,600 bph, uses 21 jewels and has about 40 hours of power reserve. While it isn't the most precise movement (-15 to +25 seconds per day), it is known for its durability. The 7009 on the other hand has 17 jewels and has better quality materials.