Side by side

Nivada Grenchen F77 MK2 38mm AutomaticvsSpinnaker Dumas GMT

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

F77 MK2 38mm Automatic
Nivada GrenchenF77 MK2 38mm Automatic
MSRP $1,360
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

14 of 29 specs differ
Diameter
F77 MK2 38mm Automatic38mm
Dumas GMT44mm
Power Reserve
F77 MK2 38mm Automatic38h
Dumas GMT40h
Water Resistance
F77 MK2 38mm Automatic100m
Dumas GMT300m
MSRP
F77 MK2 38mm Automatic$1,360
Dumas GMT$399

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
38mm
44mm
Thickness
12.2mm
15mm
Lug-to-Lug
46.2mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m
Caseback
316L Steel Caseback
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black Gem Onyx Dial, Super Lum. White Dots, Shiny Gold Applied Indexes, Applied Logo Gold color
Blue
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Soprod M100
Seiko NH34A
Beat Rate
28 vph
28,800 vph
Power Reserve
38h
40h

Pricing

1 specs
MSRP
$1,360
$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 F77 MK2 38mm Automatic

Owners widely praise the Nivada Grenchen F77 MK2 38mm Automatic for its excellent wearability, with its 38mm size and comfortable, flat-laying case and downturned lugs fitting well on smaller wrists. Reviewers and owners alike highlight its slick fit and finish, unique dial options including Lapis, and strong value proposition as an integrated bracelet watch. One owner notes the Soprod P024 automatic movement offers solid performance. Overall, owners and reviewers rate the Nivada Grenchen F77 MK2 38mm Automatic highly for its comfortable wearability and unique dial aesthetics at its price point.

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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