AVI-8 Bell X-1 Machbuster ChronographvsSeiko Prospex Speedtimer

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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.

AVI-8 Bell X-1 Machbuster Chronograph at true scale

Bell X-1 Machbuster Chronograph

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Diameter

n/a

41.4mm

Lug-to-Lug

n/a

45.9mm

Thickness

n/a

13mm

Water Resistance

50m

100m

highest

MSRP

$300

lowest

$750

Movement

Quartz

Seiko V192

Case

6 specs
Diameter
n/a
41.4mm
Thickness
n/a
13mm
Lug-to-Lug
n/a
45.9mm
Lug Width
n/a
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
n/a
Seiko V192

Pricing

1 specs
MSRP
$300
$750
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Reviews

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

AVI-8 Bell X-1 Machbuster Chronograph

Owners widely praise the AVI-8 Bell X-1 Machbuster Chronograph for its aviation-inspired design, vibrant dial colors, and good value, especially when on sale. Some owners find the watch to be a stylish conversation starter with decent quality for its reasonable price, noting it holds up well for daily and outdoor use. However, the AVI-8 Bell X-1 Machbuster Chronograph is frequently described as chunky and thick, with some owners finding it too large and heavy. The lume is noted as pretty but not long-lasting, and some community members consider the branding derivative or cringey. On balance, owners appreciate the AVI-8 Bell X-1 Machbuster Chronograph for its unique designs and value, with the distinctive dial aesthetics being a primary draw.

Seiko Prospex Speedtimer

Owners widely praise the Seiko Prospex SPEEDTIMER for its beautiful dial colors, with specific mentions of ice blue and cream, and its vintage-inspired design. Some find the 39mm case size, which wears smaller than its 41.4mm specification due to short lugs, fits perfectly on smaller wrists. However, owners are split on value, with some considering it a beautiful and incredibly valuable watch, while others question the price for a solar quartz movement and find the 13mm thickness notable. One reviewer noted the lack of quick-release or micro-adjustment on the bracelet. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its striking dial designs and compact, vintage-inspired wearability.

From video reviewers

The solar-powered chronograph movement is a key strength. The bracelet finishing is a potential area for improvement. Reviewers are split on whether the aesthetic successfully revives the spirit of the original "Pogue."

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