Side by side
Serica Ref. 5330 Diving Chronometer DatevsOrient Helios
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Ref. 5330 Diving Chronometer Date39mm
Helios40.5mm
Power Reserve
Ref. 5330 Diving Chronometer Date42h
Helios40h
Water Resistance
Ref. 5330 Diving Chronometer Date300m
Helios30m
MSRP
Ref. 5330 Diving Chronometer Date$2,005
Helios$335
Full specifications
Case
7 specsCategory
Diver
—
Diameter
39mm
40.5mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
21mm
Water Resistance
300m
30m
Caseback
Solid
Display
Crystal & Dial
6 specsCrystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Black
Green
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
SoProd M100
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Complications
COSC, Date
None
Pricing
1 specsMSRP
$2,005
$335
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