Side by side

Rolex Sea-DwellervsGrand Seiko SLGA001

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

What people say

Owners + reviewers, side by side

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

Rolex Sea-Dweller

Owners widely praise the Rolex Sea-Dweller's matte dial with red lettering, with some calling it the best dial on a modern Rolex. The watch is noted for its substantial presence, with some owners appreciating its "chunkiness" and "clean look," while others find it wears smaller than its 43mm size suggests. The Sea-Dweller is considered by some to be a superior, more masculine dive watch than alternatives. However, the watch's thickness and 215-gram weight are frequently cited as potential drawbacks, making it best suited for larger wrists. Some owners find the cyclops on newer models detracts from the watch's aesthetic, with one reviewer calling it "goofy." The Sea-Dweller is also considered less versatile and popular than other models due to its size and thickness. Overall, owners rate the Rolex Sea-Dweller highly for its distinct dial and substantial presence, though its size and thickness make it a niche choice for those with larger wrists.

Grand Seiko SLGA001

The Grand Seiko SLGA001 is praised for its impressive technical achievements, including a new, slimmer Spring Drive movement with a five-day power reserve and exceptional accuracy of ±0.5 seconds per day. Reviewers note the 47mm titanium case, despite its substantial dimensions, wears more comfortably due to its titanium construction, short lugs, and virtually scratch-proof finish. The watch features a 600-meter water resistance and is limited to 700 pieces, priced at $11,100. On balance, reviewers consider the Grand Seiko SLGA001 a highly capable dive watch, with its technological advancements in the Spring Drive movement being a key highlight.

From video reviewers

The watch's Spring Drive movement, specifically the Cal.9RA5, offers a 120-hour power reserve. A notable trade-off is the watch's relatively large size, with a case diameter of 46.9mm and thickness of 16.0mm, which may not suit those with smaller wrists. The high price point may be a trade-off for some buyers.

At a glance

20 of 29 specs differ
Diameter
Sea-Dweller43mm
SLGA00146.9mm
Power Reserve
Sea-Dweller70h
SLGA001120h
Water Resistance
Sea-Dweller1,220m
SLGA001
MSRP
Sea-Dweller$14,550
SLGA001$11,100

Full specifications

Case

7 specs
Diameter
43mm
46.9mm
Thickness
16mm
Lug-to-Lug
50.8mm
Lug Width
23mm
Material
Oystersteel
Titanium
Water Resistance
1220m
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
Flat
Dial Color
Black
Indices
Index
Lume
Chromalight
None

Movement

8 specs
Caliber
3235
9RA5
Type
Automatic
Spring Drive
Beat Rate
28,800 vph
0 vph
Power Reserve
70h
120h
Jewels
31
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$14,550
$11,100
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