Side by side

Spinnaker Croft 39 GMTvsLongines HYDROCONQUEST GMT

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

Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

11 of 29 specs differ
Diameter
Croft 39 GMT39mm
HYDROCONQUEST GMT43mm
Power Reserve
Croft 39 GMT40h
HYDROCONQUEST GMT72h
Water Resistance
Croft 39 GMT100m
HYDROCONQUEST GMT300m
MSRP
Croft 39 GMT$445
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39mm
43mm
Thickness
13mm
12.9mm
Lug-to-Lug
47mm
52mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Red
Green

Movement

2 specs
Caliber
Seiko NH34A
L844.5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$445
$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.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

Longines HYDROCONQUEST GMT

The Longines HYDROCONQUEST GMT is widely praised for its excellent finishing, with some comparing it favorably to higher-end dive watches, and its attractive blue sunburst dial. Owners note its practical true GMT complication and robust 41mm brushed case with ceramic bezel, powered by a movement offering a 72-hour power reserve. Some in the community find the round markers at 6 and 9 disrupt dial symmetry, though others appreciate this design element. A common criticism is the difficulty in reading the tiny GMT text beneath the hour markers, and the absence of a quick date adjust feature. One owner reported a sharp feeling on the bracelet's clasp, and another flagged mismatched date wheel colors on certain dial variants. Overall, owners and reviewers consider the Longines HYDROCONQUEST GMT a strong value proposition for a traveler's dive watch, citing its build quality and GMT functionality as key strengths.

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