Side by side

Bremont S502vsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

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

At a glance

13 of 29 specs differ
Diameter
S50243mm
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Power Reserve
S50240h
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
S502500m
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
MSRP
S502$5,100
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600

Full specifications

Case

6 specs
Diameter
43mm
45.4mm
Thickness
16.5mm
16mm
Lug-to-Lug
50.4mm
Lug Width
16.5mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
500m
600m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
BE-93-2AE
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$5,100
$4,600

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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.

Bremont S502

The Bremont S502 is widely praised for its attractive full-stealth, black DLC treatment, and the beige lume that complements its Spec Ops design, with a burnt-orange GMT hand enhancing legibility. Owners find the watch handsome and cool, appreciating the 'black & tan' aesthetic suitable for hard wear. The Bremont S502 features a 502m water-resistance rating and a 42-hour power reserve, powered by a chronometer-rated Bremont BE-93-2AV automatic movement. While many like the NATO strap for its aesthetic and how it ties in with the PVD metalwork, some prefer the original black rubber strap for its comfort and custom fit. On balance, owners and reviewers rate the Bremont S502 highly for its stealthy aesthetic and robust build.

Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.

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