Side by side

Serica Ref. 5303 Diving ChronometervsStraton Straton Daily Driver MKII

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
Straton Daily Driver MKII
StratonStraton Daily Driver MKII
MSRP $299

At a glance

21 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Straton Daily Driver MKII44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Straton Daily Driver MKII
Water Resistance
Ref. 5303 Diving Chronometer300m
Straton Daily Driver MKII200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Straton Daily Driver MKII$299

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
39mm
44mm
Thickness
12.2mm
14mm
Lug-to-Lug
46.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Yes
Dial Color
Enamel Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
M100 COSC
Miyota 6S21
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
0h
Jewels
25
0
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$299

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Straton Daily Driver MKII 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.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

Straton Daily Driver MKII

Owners praise the Straton Daily Driver MKII for its AR-coated sapphire crystal and reliable Miyota 6S21 quartz movement at its price, with the comfortable Barton band fitting well for daily wear. The watch features a clean white dial with double panda chronograph subdials, stick indices, and a thin black bezel that owners find visually appealing. One caveat is availability — the watch is difficult to find for sale. Overall, the consensus is that the Straton Daily Driver MKII offers strong value through its sapphire crystal and quartz reliability, marred primarily by scarcity in the market.

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.