Side by side

Serket Watch Co Reef MarianavsTudor Black Bay 58 18K

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

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Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550
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At a glance

19 of 29 specs differ
Diameter
Reef Mariana40mm
Black Bay 58 18K39mm
Power Reserve
Reef Mariana—
Black Bay 58 18K70h
Water Resistance
Reef Mariana200m
Black Bay 58 18K200m
MSRP
Reef Mariana$449
Black Bay 58 18K$22,550

Full specifications

Case

7 specs
Category
—
Diver
Diameter
40mm
39mm
Thickness
13.2mm
12.7mm
Lug-to-Lug
47.5mm
46mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Orange
Green
Indices
Applied
—
Lume
BGW9
None

Movement

6 specs
Caliber
Seiko NH35
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
—
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$449
$22,550
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