Side by side

Farer WORLD TIMERvsHamilton Khaki Aviation Converter Auto Chrono

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Farer WORLD TIMER

Owners widely praise the Farer WORLD TIMER for its detailed dial work, including bronze inlay patina and shiny minute markers, as well as its powerful lume and gorgeous case finishing. The 39mm sizing is considered perfect by some reviewers, offering a blend of function and elegance that punches above its price point, while others find the matching blue dial hinders legibility. One owner noted the bracelet lacked microadjusts. Overall, owners and reviewers rate the Farer WORLD TIMER highly for its detailed dial work and versatile case finishing at its price.

Hamilton Khaki Aviation Converter Auto Chrono

The Hamilton Khaki Aviation Converter Auto Chrono is widely described as a large 44mm pilot's watch with a functional slide rule bezel. Reviewers note its well-finished steel case, featuring a robust satin-brushed finish with polished accents and chamfers, and a legible blue sunray dial with applied Super-LumiNova markers and old-fashioned hands. It is powered by the H-21-Si automatic chronograph movement, an upgraded ETA-based caliber with a silicon balance spring for anti-magnetic properties, offering a 60-hour power reserve. The watch is rated to 100m water resistance and features a bi-directional slide rule bezel with graduations printed under K1 mineral glass for scratch protection, which is easy to manipulate due to its deeply notched steel design. Some find the slide rule bezel complicated to use without a manual. One owner notes its character does not appeal as much as other slide bezel chronos.

At a glance

11 of 29 specs differ
Diameter
WORLD TIMER39mm
Khaki Aviation Converter Auto Chrono44mm
Power Reserve
WORLD TIMER56h
Khaki Aviation Converter Auto Chrono60h
Water Resistance
WORLD TIMER100m
Khaki Aviation Converter Auto Chrono100m
MSRP
WORLD TIMER$1,575
Khaki Aviation Converter Auto Chrono$2,445

Full specifications

Case

6 specs
Category
World Timer
Pilot
Diameter
39mm
44mm
Thickness
11mm
14.6mm
Lug-to-Lug
45mm
0mm
Lug Width
20mm
22mm
Material
316L marine-grade stainless steel with gold PVD coating
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

3 specs
Caliber
Sellita SW331-2
H-21-Si
Power Reserve
56h
60h
Jewels
25
0

Pricing

1 specs
MSRP
$1,575
$2,445
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