Side by side

Baltic Scalegraph ClassicvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Scalegraph Classic
BalticScalegraph Classic
MSRP $1,712
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

14 of 29 specs differ
Diameter
Scalegraph Classic39.5mm
Prospex Sea43.8mm
Power Reserve
Scalegraph Classic63h
Prospex Sea41h
Water Resistance
Scalegraph Classic50m
Prospex Sea200m
MSRP
Scalegraph Classic$1,712
Prospex Sea$625

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
39.5mm
43.8mm
Thickness
13.5mm
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Panda
Black
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW510-M
4R35
Type
Manual
Automatic
Power Reserve
63h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$1,712
$625

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What people say

Owners + reviewers, side by side

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 stunning retro racing design, detailed dial, and 39.5mm case size, with many finding it offers excellent value. However, some owners report issues with finishing and fit, describing the watches as light or "toylike," while others find the finishing comparable to higher-end brands. Reviewers and owners alike criticize the screw-down chronograph pushers as finicky and impractical, especially given the 100m water resistance which some feel is conceptually incongruent with its rally timer purpose. One owner experienced misaligned bezel markers and moisture ingress after pool use, leading to a return. On balance, owners and reviewers value the Baltic Scalegraph Classic's aesthetic and value proposition, though practical usability concerns regarding the chronograph pushers and isolated quality control issues are noted.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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