Side by side

Sinn 358 DIAPALvsSpinnaker Croft 39 GMT

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

18 of 29 specs differ
Diameter
358 DIAPAL42mm
Croft 39 GMT39mm
Power Reserve
358 DIAPAL48h
Croft 39 GMT40h
Water Resistance
358 DIAPAL100m
Croft 39 GMT100m
MSRP
358 DIAPAL$4,255
Croft 39 GMT$445

Full specifications

Case

8 specs
Category
Tool
GMT
Diameter
42mm
39mm
Thickness
15mm
13mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
satinized
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Red
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP L100
Seiko NH34A
Power Reserve
48h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$445

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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.

Sinn 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

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.

From video reviewers

The 39mm case size is a strength for wearability on smaller wrists. Reviewers noted the Seiko NH34 GMT movement as a positive feature. Reviewers questioned if the watch was the best value proposition against its competition.

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