Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionvsTAG Heuer Formula 1 Chronograph X Senna

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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.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition at true scale

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

TAG Heuer Formula 1 Chronograph X Senna at true scale

Formula 1 Chronograph X Senna

Diameter

42mm

44mm

Lug-to-Lug

49.5mm

n/a

Thickness

14.6mm

14.5mm

lowest

Water Resistance

100m

200m

highest

Power Reserve

45h

48h

highest

MSRP

$2,500

lowest

$5,900

Movement

Seiko 8R48

TAG Heuer Calibre 16

Case

7 specs
Diameter
42mm
44mm
Thickness
14.6mm
14.5mm
Lug-to-Lug
49.5mm
n/a
Lug Width
20mm
n/a
Material
Stainless Steel
Titanium
Finish
n/a
Titanium coated with black DLC
Water Resistance
100m
200m

Crystal & Dial

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

Movement

7 specs
Caliber
Seiko 8R48
TAG Heuer Calibre 16
Beat Rate
0 vph
28,800 vph
Power Reserve
45h
48h
Jewels
34
0
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Chronograph, Date

Pricing

1 specs
MSRP
$2,500
$5,900
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Reviews

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

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

The Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition is praised for its refined presence, with reviewers noting a crisp white dial with gold accents and a polished and brushed 42mm stainless steel case. Owners are impressed by the special edition's finish, print, and accuracy, with some preferring its red dial and steel bezel over other Speedtimer models. However, some owners find the pushers stick out too much and criticize a recessed date window and a difficult-to-fit stock bracelet. The automatic Seiko 8R48 chronograph movement is a highlight for reviewers, though some owners question the value at its $2,500 price point. Overall, owners rate the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition highly for its distinctive dial and finishing at the price.

TAG Heuer Formula 1 Chronograph X Senna

Owners widely praise the TAG Heuer Formula 1 Chronograph X Senna for its striking, hype-worthy design inspired by Senna's helmet livery, featuring a DLC-coated titanium case and yellow accents. Reviewers note the Calibre 16 automatic movement's robustness and lighter pusher action. While some owners find the 44mm case size manageable due to a short lug-to-lug, others consider it too large or heavy, particularly with the bracelet. Opinions on value are mixed, with one owner finding it overpriced for an entry-level Formula 1 model, while another considers it well-made for the price. The watch offers 200m water resistance and a 42-hour power reserve. Overall, owners rate the TAG Heuer Formula 1 Chronograph X Senna highly for its bold design and solid build at its price point.

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