Baltic Scalegraph ClassicvsSeiko Prospex Speedtimer Mechanical Chronograph

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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.

Baltic Scalegraph Classic at true scale

Scalegraph Classic

Seiko Prospex Speedtimer Mechanical Chronograph at true scale

Prospex Speedtimer Mechanical Chronograph

Diameter

39.5mm

42mm

Lug-to-Lug

47mm

lowest

49.5mm

Thickness

13.5mm

lowest

14.6mm

Water Resistance

50m

100m

highest

Power Reserve

63h

highest

45h

MSRP

$1,712

lowest

$2,500

Movement

Sellita SW510

Seiko 8R48

Case

4 specs
Diameter
39.5mm
42mm
Thickness
13.5mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Panda
n/a
Lume
BGW9
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW510
Seiko 8R48
Type
Manual
Automatic
Power Reserve
63h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$1,712
$2,500
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Reviews

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

Baltic Scalegraph Classic

Owners widely praise the Baltic Scalegraph Classic for its excellent value, well-devised dial layout, legible contrast, and vintage aesthetic, with some finding its finishing equal to or better than more expensive brands. The 39.5mm case size is a positive point for many. However, some owners report issues with quality control, including misaligned bezel markers and moisture ingress leading to returns, with one owner finding the watches light and "toylike" with unrefined finishing. The manual-winding Sellita SW510 movement is noted. Overall, owners and reviewers rate the Baltic Scalegraph Classic highly for its vintage aesthetic and strong value proposition, despite some quality control concerns.

Seiko Prospex Speedtimer Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design and clean, balanced dial layout, enhanced by an external tachymeter bezel. Reviewers note the adequate caliber 8R48 movement, which features a vertical clutch and column wheel with MEMS technology for durability and precision. The refined bracelet offers improved comfort, and the overall package is considered good value for a well-designed chronograph with an in-house movement. Points to consider include the 4:30 date window and a thickness of 14.6mm, while the 45-hour power reserve is an area for potential improvement. On balance, reviewers rate the Seiko Prospex SPEEDTIMER Mechanical Chronograph highly for its attractive design and solid chronograph functionality at its price point.

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