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1993 Tudor 'Big Block'
Reference
79180
Diameter
40 mm
Condition
Good
Box/Papers
Box only
A "Big Block" with a lovely reverse panda dial, a strong case, and the Valjoux 7750 automatic movement.
Overview
The "Big Block" was produced in many different variations throughout the 70s, 80s, and 90s and marked the Rolex family's first automatic chronograph and Tudor's first three-register chronograph. The "Big Block" nickname was given to the watch because of the thicker case required to house the automatic chronograph movement. The three-register design shared a striking resemblance to the Rolex Daytona, and standard models sported either a silver panda or black reverse-panda dial.
Specifications
Brand:
Tudor
Model:
'Big Block'
Reference:
79180
Year:
1993
Case Number:
B537810
Case Material:
Stainless steel
Diameter:
40 mm
Lug Width:
20 mm
Thickness:
14.5 mm
Lug-to-Lug:
47.8 mm
Dial:
Black
Lume:
Tritium
Crystal:
Acrylic
Movement:
Automatic
Caliber:
Valjoux 7750
Bracelet/Strap:
Tudor 78360 stainless steel bracelet with 589 end links and R2 clasp code
Max Wrist Size:
7.75in (13 links)
Hand model has a wrist size of 6.1 in
Condition
Good
:
Case may have a few moderate scratches or nicks. Lugs are thick and full but may have softened edges. Dial and hands may have light stains or marks. Lume may have cracks or discoloration.
Case: The case is strong and thick and shows normal wear for a 30-year-old sport watch. There are a few shallow scratches and nicks here and there, but no major imperfections. The bezel has some hairlines to the polished surface, but retains good definition with the black filling still present in the engravings. The case back engravings are sharp and deep and remain protected by a sticker, presumably from the last service.
Dial, Hands, & Crystal: The glossy black dial is clean and the crystal is in excellent condition with just a few very light scratches that can easily be removed with some Polywatch. The hands and indices show signs of patina, which is not uncommon for this reference. The hour hand has a couple of small scratches towards the center. Under UV light both tritium dial and hands exhibit the same behavior and do not glow.
Bracelet/Strap: The Tudor 78360 bracelet is in great condition with little to no stretch and only a few small hairlines present. The clasp code is R2, which dates the bracelet to 1993 (and matches the date of the watch case).
Performance
Functions: All functions including the crown-winding, time-setting, date-setting, and chronograph start/stop/reset are working as expected.
Service History: None.
What’s Included
What’s Included
watch
Watch
Tudor 'Big Block' on a stainless steel bracelet.
inventory_2
Box/Papers
Inner and outer boxes.
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Extras
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Authenticity Guarantee
Each watch is thoroughly evaluated and guaranteed to be authentic unless explicitly stated otherwise. Prior to any sale, we are happy to provide additional photos or videos of the watch, movement, and accessories at your request. Once you receive the watch, we allow a 72-hour inspection period during which you may return the watch for a full refund if it is misrepresented.
We spend a considerable amount of time researching any watch we plan to source. This includes cross-checking the visual details, case numbers, and movements using examples sold by other reputable dealers and buying guides published by subject matter experts. We set very high standards and will not consider any watch with questionable parts or inconsistencies that cannot be verified elsewhere.
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Condition Grades
We use the following rubric to assign each watch a condition grade that best represents its external appearance.
Timegrapher Readings
These readings were taken on a Weishi No. 1000 timegrapher approximately one hour after fully winding the watch.