Side by side

Sinn 1739 Ag BvsSerica Ref. 5303 Diving Chronometer

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

What people say

Owners + reviewers, side by side

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

Sinn 1739 Ag B

Owners are thrilled with the Sinn 1739 Ag B, citing its beauty as a primary reason for collection consolidation. The watch has a 30+ week waiting list and won a Red Dot award. Overall, owners rate the Sinn 1739 Ag B highly for its aesthetic appeal and desirability, evidenced by its significant waiting list and design award.

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.

At a glance

18 of 29 specs differ
Diameter
1739 Ag B39mm
Ref. 5303 Diving Chronometer39mm
Power Reserve
1739 Ag B42h
Ref. 5303 Diving Chronometer42h
Water Resistance
1739 Ag B100m
Ref. 5303 Diving Chronometer300m
MSRP
1739 Ag B$2,894
Ref. 5303 Diving Chronometer$1,768

Full specifications

Case

8 specs
Category
Tool
Diver
Thickness
9.1mm
12.2mm
Lug-to-Lug
46.5mm
Lug Width
20mm
0mm
Material
special material: 935 Argentium* silver alloy. The advantage
Stainless Steel
Finish
Water Resistance
100m
300m
Caseback

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW300-1
Soprod M100
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Complications
None
COSC

Pricing

1 specs
MSRP
$2,894
$1,768
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