Side by side

Serica Ref. 6190 Field ChronometervsAstor + Banks Sea Ranger M2

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

Ref. 6190 Field Chronometer
SericaRef. 6190 Field Chronometer
MSRP $1,293
Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149

At a glance

13 of 29 specs differ
Diameter
Ref. 6190 Field Chronometer38mm
Sea Ranger M240mm
Power Reserve
Ref. 6190 Field Chronometer42h
Sea Ranger M240h
Water Resistance
Ref. 6190 Field Chronometer200m
Sea Ranger M2300m
MSRP
Ref. 6190 Field Chronometer$1,293
Sea Ranger M2$1,149

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
38mm
40mm
Thickness
10.4mm
12.5mm
Lug-to-Lug
46.5mm
45.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
M.S.L. - Enamel Balck
Tobacco
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
La Joux-Perret G100
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,293
$1,149

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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. 6190 Field Chronometer

Owners widely praise the Serica Ref. 6190 Field Chronometer for its refined dials and slimmer case, with one owner calling the black dial the "blackest of blacks" and another finding it not top-heavy. The COSC-certified automatic movement is noted, and the Bonklip bracelet is described by one owner as the most comfortable they have ever experienced. However, one owner found the 9 o'clock crown undesirable and noted a ding on the bezel, while another owner found the Bonklip bracelet too small for their wrist. The €990 price is a significant increase from its predecessor, and some may miss the charm of a manual-winding caliber. On balance, owners and reviewers appreciate the Serica Ref. 6190 Field Chronometer for its updated design and comfortable bracelet, despite some concerns about the crown placement and price.

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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