Side by side

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's WatchvsTudor Black Bay 58 925

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

Black Bay 58 925
TudorBlack Bay 58 925
MSRP $5,600

At a glance

17 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Black Bay 58 92539mm
Power Reserve
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Black Bay 58 92570h
Water Resistance
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
Black Bay 58 925200m
MSRP
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800
Black Bay 58 925$5,600

Full specifications

Case

5 specs
Diameter
39.5mm
39mm
Thickness
12.3mm
12.7mm
Lug-to-Lug
47.2mm
46mm
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Taupe
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

6 specs
Caliber
6L37
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
45h
70h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,800
$5,600

Follow this matchup

Get a note when Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch vs Tudor Black Bay 58 925 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1965 Heritage Diver's Watch is praised for its faithful re-creation of the 62MAS design, with reviewers noting improved wearability due to smaller case sizes (38mm to 40mm) and updated bracelets. Specific models feature a stainless steel case with super-hard coating, ceramic bezel, and a tool-free extension system on the bracelet. Accuracy figures vary, with one model rated at -5/+10 seconds per day and another at -10/+15 seconds per day, powered by movements like the Caliber 8L45 or 6L37 offering 72-hour or 46-hour power reserves respectively. Some reviewers point out drawbacks such as an unsigned winding crown, a lack of tool-free micro-adjust on the clasp for certain models, and a secondary GMT function on one variant. The price point, ranging from $2,800 to $3,600, is considered high by some, especially when compared to other Seiko or Grand Seiko offerings.

Tudor Black Bay 58 925

The Tudor Black Bay 58 925 is praised for its unique taupe dial and bezel, and COSC-certified movement. Owners widely report the silver case scratches and dings more easily than steel, and some experience tarnishing despite anti-tarnishing claims, though it can be cleaned with an eraser or silver cloth. While some find the leather strap uncomfortable due to weight imbalance, others consider it suitable. The dial can appear washed out in certain lighting, and one owner notes the long springbar can scratch the case if it pops out. On balance, owners and reviewers appreciate the Tudor Black Bay 58 925 for its unique silver case and taupe dial, despite concerns about scratching and tarnishing.

Keep exploring

More watches worth a look

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

Adjacent matchups

People also compared

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