Side by side

Baltic MR ClassicvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

MR Classic
BalticMR Classic
MSRP $589

At a glance

14 of 29 specs differ
Diameter
MR Classic36mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
MR Classic42h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
MR Classic30m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
MR Classic$589
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Category
Dress
Diver
Diameter
36mm
44mm
Thickness
9mm
13mm
Lug-to-Lug
44mm
49.3mm
Water Resistance
30m
200m

Crystal & Dial

5 specs
Crystal
Hesalite
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Hangzhou CAL5000a Micro-rotor
8L35
Power Reserve
42h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$589
$3,300

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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 MR Classic

Owners widely praise the Baltic MR Classic's attractive dial with applied Breguet numerals and granular texture, noting it looks far more expensive than its price. Reviewers highlight the refined, dressy aesthetic and the visually appealing micro-rotor movement. Some owners report precise time-setting and a smooth winding action. Accuracy figures vary, with one owner seeing +1 second per day and another averaging +10 seconds per day. Concerns exist regarding the gold PVD finish's durability, with reports of wear from strap friction. The 36mm case is described as small, and some find the bezel chunky and the watch's overall height significant. The Chinese Hangzhou micro-rotor movement is noted as potentially noisy and difficult for local repair, though Baltic's customer service and warranty are praised. Overall, owners and reviewers rate the Baltic MR Classic highly for its dressy aesthetic and dial finishing at its price point.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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