Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsNivada Grenchen F77 MK1

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
F77 MK1
Nivada GrenchenF77 MK1
MSRP $1,560

At a glance

16 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
F77 MK137mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
F77 MK138h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
F77 MK1100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
F77 MK1$1,560

Full specifications

Case

9 specs
Category
Diver
Sport
Diameter
41mm
37mm
Thickness
13mm
12.1mm
Lug-to-Lug
43.5mm
45mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel/Titanium/Ceramic
Finish
Brushed and polished
Brushed + Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Titanium Grade 5

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW220-1
Soprod Newton P092
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Complications
None
GMT

Pricing

1 specs
MSRP
$1,800
$1,560

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

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.

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