Side by side

Nivada Grenchen Chronomaster ManualvsSpinnaker Dumas GMT

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

Chronomaster Manual
Nivada GrenchenChronomaster Manual
MSRP $1,975
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

15 of 29 specs differ
Diameter
Chronomaster Manual38mm
Dumas GMT44mm
Power Reserve
Chronomaster Manual45h
Dumas GMT40h
Water Resistance
Chronomaster Manual100m
Dumas GMT300m
MSRP
Chronomaster Manual$1,975
Dumas GMT$399

Full specifications

Case

8 specs
Category
Chronograph
GMT
Diameter
38mm
44mm
Thickness
14.55mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
White
Blue
Lume
x1
None

Movement

4 specs
Caliber
ETA Valjoux 7733
Seiko NH34A
Type
Manual
Automatic
Power Reserve
45h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$1,975
$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 Manual

Owners praise the Nivada Grenchen Chronomaster Manual as a reasonably sized mechanical chronograph without a module movement. One owner notes the watch sits high on the wrist due to its automatic caseback, leading to some regret. On balance, owners value the Chronomaster Manual for its non-module mechanical chronograph movement in a reasonably sized package.

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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