Side by side

Tornek-Rayville CISO M38 FieldvsLongines HYDROCONQUEST GMT

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

CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

12 of 29 specs differ
Diameter
CISO M38 Field38mm
HYDROCONQUEST GMT41mm
Power Reserve
CISO M38 Field42h
HYDROCONQUEST GMT40h
Water Resistance
CISO M38 Field100m
HYDROCONQUEST GMT300m
MSRP
CISO M38 Field$695
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Diver
Diameter
38mm
41mm
Thickness
12.45mm
12.9mm
Lug-to-Lug
43.6mm
49.4mm
Lug Width
20mm
21mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Green
Lume
Superluminova
None

Movement

2 specs
Caliber
TMI NH36
L844.5
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$695
$3,350

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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.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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