DuFrane Watches Circuit Chronograph: Limited Anniversary EditionvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

DuFrane Watches Circuit Chronograph: Limited Anniversary Edition at true scale

Circuit Chronograph: Limited Anniversary Edition

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition at true scale

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

Diameter

39mm

39.5mm

Lug-to-Lug

n/a

44.5mm

Thickness

n/a

12mm

Water Resistance

100m

200m

highest

Power Reserve

n/a

72h

MSRP

$2,299

$1,150

lowest

Movement

Valjoux 7753

Seiko 6R55

Case

6 specs
Diameter
39mm
39.5mm
Thickness
n/a
12mm
Lug-to-Lug
n/a
44.5mm
Lug Width
n/a
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Valjoux 7753
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$2,299
$1,150
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

DuFrane Watches Circuit Chronograph: Limited Anniversary Edition

Owners widely praise the DuFrane Watches Circuit Chronograph: Limited Anniversary Edition for its accuracy, high quality, and bracelet, with one owner stating it punches well above its price point. One owner notes oxidation around the pushers from the small crown on the gold-plated case, though the rest remains in excellent condition. Overall, owners rate the DuFrane Watches Circuit Chronograph: Limited Anniversary Edition highly for its exceptional accuracy and value.

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

Owners widely praise the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition for its vintage racing concept, applied markers, and dial that shifts from cream to silver with orange accents. Some owners note Seiko's top-notch finishing compared to microbrands and appreciate the comfortable bracelet and dual crowns. However, some owners find the dial text cluttered, particularly "Automatic 3 Days," and consider the price point too high, suggesting a lower figure would be more appropriate. One reviewer flags the 39.5mm size as potentially too small, while another notes the lack of screw-down crowns, though still finds the 20 bar water resistance impressive. On balance, owners rate the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition highly for its vintage inspiration and solid finishing, despite some reservations about its pricing and dial text.

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