Side by side

Nivada Grenchen F77 MK1vsSpinnaker Dumas GMT

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

F77 MK1
Nivada GrenchenF77 MK1
MSRP $1,560
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

15 of 29 specs differ
Diameter
F77 MK137mm
Dumas GMT44mm
Power Reserve
F77 MK138h
Dumas GMT40h
Water Resistance
F77 MK1100m
Dumas GMT300m
MSRP
F77 MK1$1,560
Dumas GMT$399

Full specifications

Case

8 specs
Category
Sport
GMT
Diameter
37mm
44mm
Thickness
12.1mm
15mm
Lug-to-Lug
45mm
48mm
Material
Stainless Steel/Titanium/Ceramic
316L Stainless Steel
Finish
Brushed + Polished + Satin
Brushed and polished
Water Resistance
100m
300m
Caseback
Titanium Grade 5
Solid

Crystal & Dial

2 specs
Dial Color
Meteorite Dial, Super Lum. White Dots, Shiny Light Gun Color Applied Indexes
Blue
Lume
x1
None

Movement

4 specs
Caliber
Soprod Newton P092
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$1,560
$399

Follow this matchup

Get a note when Nivada Grenchen F77 MK1 vs Spinnaker Dumas GMT gets more votes, a community discussion, or a price drop. No account needed.

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 F77 MK1

Owners widely praise the Nivada Grenchen F77 MK1 for its vintage charm, Genta-inspired design with unique character, and comfortable 37-38mm wearability on average wrists, highlighting its legible basket-weave dial and solid case build with excellent crown grip. The integrated bracelet's connection to the case is noted to increase effective lug-to-lug distance, and one owner criticizes the crown action as stiff and gritty. The Soprod P024 movement provides a 38-hour power reserve. On balance, owners and reviewers find the Nivada Grenchen F77 MK1 a compelling value proposition due to its distinctive dial and overall build quality, despite some reservations about its winding feel and price.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.