Side by side

Nivada Grenchen F77 MK1vsSpinnaker Dumas Automatic

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 Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

15 of 29 specs differ
Diameter
F77 MK137mm
Dumas Automatic44mm
Power Reserve
F77 MK138h
Dumas Automatic40h
Water Resistance
F77 MK1100m
Dumas Automatic300m
MSRP
F77 MK1$1,560
Dumas Automatic$239

Full specifications

Case

8 specs
Category
Sport
Diver
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
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$1,560
$239

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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 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 Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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