Baltic Scalegraph ClassicvsSeiko Prospex SPEEDTIMER Mechanical

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

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 at true scale

Prospex SPEEDTIMER Mechanical

Diameter

39.5mm

39.5mm

Lug-to-Lug

47mm

44.5mm

lowest

Thickness

13.5mm

12mm

lowest

Water Resistance

50m

200m

highest

Power Reserve

63h

72h

highest

MSRP

$1,712

$995

lowest

Movement

Sellita SW510

Seiko 6R55

Case

3 specs
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
44.5mm
Water Resistance
50m
200m

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 6R55
Type
Manual
Automatic
Power Reserve
63h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,712
$995
Keep your wishlist and collection together in the appExplore the app

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

The Seiko Prospex SPEEDTIMER Mechanical is widely praised for its comfortable 39.5mm case size and appealing matte silver-white dial with LumiBrite indices. Owners find the watch visually attractive and comfortable for daily wear, with the 72-hour power reserve of the 6R55 automatic movement noted as a strength. Some users appreciate the chronograph function for everyday tasks, while others acknowledge it is rarely used by most purchasers. The watch features a countdown bezel and 20 bar water resistance. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its wearability and practical power reserve.

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

DiscussionNot started

Also compared

Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.