WATERPROOF TESTED TO 50M
(Tested on Bergeon Watchmaker’s Waterproof Watch Tester by Restorer)

NEW CROWN GASKET, BEZEL GASKET, CRYSTAL GASKET AND CASEBACK GASKET FITTED DURING RENOVATION AND BEFORE WATERPROOF TESTING

The Original 6309-7040 Large Cushion Cased Seiko Divers are now getting very rare and this one is a stunning fully restored example. A chance to acquire a rare sought after classic watch in incredible condition.

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Absolutely superb example of this iconic divers watch with the caliber 6309 movement which has 17 jewels and runs at 21,600 bph. It's a non-hacking movement like most traditional Seiko calibers and has a quickset day and date calendar mechanism. The 6309 line of divers replaced the 6105 in 1976 and ran until 1988, when it was replaced by the 7002 line of divers. The 6309’s are largely an economizing and further modularization of the 6105 movement, which allowed for greater robustness, longevity and ease of maintenance. The 6309’s (especially the second generation of them) introduced many design changes to Seiko divers that are with us to this day. The 6309 divers come in two case variations: an earlier “cushion-cased” variant produced from 1976 to 1988 and a later “slimed-down case” variant produced from 1982 to 1988. As you can see production of the first generation continued after the second generation was introduced, and overlapped the second generation models, though in reduced number. The second generation of 6309’s abandoned the cushion style case in favour of a revised round “slimed-down” case-style, which continues to be used almost unchanged by Seiko’s basic line of divers to this day. This is a particularly good example of the original "large turtle / cushion case" design from the 6309-7040 first generation which is so sought after by watch collectors. This watch has been lovingly restored by one of the most respected Seiko watch restorers who has worked on this watch with great care and attention to detail and the watch is looking stunning on a stainless steel Jubilee bracelet - a true iconic classic - they don't come much better than this. A truly stunning watch collectors heritage watch with new dial and hands which from the serial number we can see was born in July 1981. 

    Specification:

• SERIAL: 174557 (July 1981) 

• DIAL: New Classic SUWA Dial. 

• HANDS: New Classic Sword Hands Set with new Sweep seconds.

• CASE: Original case which has been lovingly polished. Width: 43mm excluding crown; length: 47mm from lug to lug. Thickness: 13mm with bezel. 

• CASE COVER (back): Original back case has been buffed and polished.

• CRYSTAL: Original Buffed Sapphlex Crystal - clear and bright, with no marks of any kind (checked under magnification).

• CROWN: Original screw to lock crown with new gasket (Water Resistant). Crown STEM (male/female type) engages hands and date wheel as it should. 

• BEZEL:  Original Bezel which rotates well with clicks. New Black Classic Bezel Insert with Silver Markers. 

• STRAP: Stainless Steel Jubilee bracelet with double lock which will fit up to a 7.75 inch wrist.

• FUNCTION: Time, Day & Date.

• MOVEMENT: Original Seiko cal.  6309A Japanese Automatic Movement. 17 Jewels. The movement has been newly overhauled, cleaned, serviced, water sealed and regulated using a vibrograf.

• SERVICE: Modification, restoration, water proofing and overhaul of this watch were all completed by a master Seiko watch restorer. The servicing carried out includes the following:

• Checking for parts authenticity.
• Overhauling.
• Cleaning.
• Lubricating.
• Testing movement against a timing machine.
•  5 Bar water pressure test.

• WATER RESISTANCE: Tested to be WATER PROOF at 50 Meters. The gaskets on the crown and the caseback have been replaced to still make the watch water resistant.

  I understand that it is difficult to choose a watch from photos so if you do not like the watch or there is any problem when it arrives I offer a free returns policy - just choose ‘just did not like it’ and the return for a full refund will be free.

  The photos are of the actual watch - please study carefully before buying. This watch is  a second hand classic that has been lovingly restored - the pictures are of the actual watch and show the detail much better than any description although the watch looks even better in reality.