Side by side

Serica Ref. 6190 Field ChronometervsSeiko Prospex Sea

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.

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.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

13 of 29 specs differ
Diameter
Ref. 6190 Field Chronometer38mm
Prospex Sea41.7mm
Power Reserve
Ref. 6190 Field Chronometer42h
Prospex Sea41h
Water Resistance
Ref. 6190 Field Chronometer200m
Prospex Sea200m
MSRP
Ref. 6190 Field Chronometer$1,293
Prospex Sea$595

Full specifications

Case

4 specs
Category
Field
Diver
Diameter
38mm
41.7mm
Thickness
10.4mm
12.3mm
Lug-to-Lug
46.5mm
49.5mm

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Dial Color
M.S.L. - Enamel Balck
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
M100 COSC
Seiko 4R35
Power Reserve
42h
41h
Jewels
0
23
Complications
COSC
None

Pricing

1 specs
MSRP
$1,293
$595
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