Side by side

Nivada Grenchen Chronomaster 38mm Automatic ChronographvsSpinnaker Dumas GMT

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

Chronomaster 38mm Automatic Chronograph
Nivada GrenchenChronomaster 38mm Automatic Chronograph
MSRP $2,085
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

15 of 29 specs differ
Diameter
Chronomaster 38mm Automatic Chronograph38mm
Dumas GMT44mm
Power Reserve
Chronomaster 38mm Automatic Chronograph40h
Dumas GMT40h
Water Resistance
Chronomaster 38mm Automatic Chronograph100m
Dumas GMT300m
MSRP
Chronomaster 38mm Automatic Chronograph$2,085
Dumas GMT$399

Full specifications

Case

9 specs
Category
Chronograph
GMT
Diameter
38mm
44mm
Thickness
15.85mm
15mm
Lug-to-Lug
48.5mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
100m
300m
Caseback
316L Stainless Steel
Solid

Crystal & Dial

2 specs
Dial Color
White
Blue
Lume
x1
None

Movement

3 specs
Caliber
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Complications
GMT, Chronograph, Small seconds
None

Pricing

1 specs
MSRP
$2,085
$399

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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.

Nivada Grenchen Chronomaster 38mm Automatic Chronograph

Owners widely appreciate the Nivada Grenchen Chronomaster 38mm Automatic Chronograph for its perfect 38mm size and faithful vintage reproduction, with one owner finding its worn bezel enhances its appeal. Reviewers praise its unique "baked" tropical dial, which mimics patina without the risks of a vintage piece. However, one owner reported a feeling of poor construction and lighter-than-expected weight, while another regretted the automatic caseback causing the watch to sit high on the wrist. The chronograph's 100m water resistance is noted as a slight limitation. On balance, owners and reviewers rate the Nivada Grenchen Chronomaster 38mm Automatic Chronograph highly for its excellent vintage aesthetic and unique dial that offers the enjoyment of a tropical watch without the associated risks.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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