Side by side

Serica Ref. 5303 Diving ChronometervsVario NAVI Single Hand Compass

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
NAVI Single Hand Compass
VarioNAVI Single Hand Compass
MSRP $428

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
NAVI Single Hand Compass38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
NAVI Single Hand Compass40h
Water Resistance
Ref. 5303 Diving Chronometer300m
NAVI Single Hand Compass100m
MSRP
Ref. 5303 Diving Chronometer$1,768
NAVI Single Hand Compass$428

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
39mm
38mm
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enamel Black
Grey
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
Miyota 82s5
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$428

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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.

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.

Vario NAVI Single Hand Compass

Owners praise the Vario NAVI Single Hand Compass for its unique single-hand design and understated nautical theme, finding it reflects their personal style. The watch is a 38mm vintage-inspired timepiece with 100m water resistance. A reviewer notes the Miyota 8s25 automatic movement has a 40-hour power reserve and its unidirectional winding rotor may wobble. Overall, owners appreciate the Vario NAVI Single Hand Compass for its refreshingly different take and casual time-telling dial.

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