Side by side

Formex Reef 42 mmvsLongines LONGINES SPIRIT ZULU TIME

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
LONGINES SPIRIT ZULU TIME
LonginesLONGINES SPIRIT ZULU TIME
MSRP $5,200

At a glance

11 of 29 specs differ
Diameter
Reef 42 mm42mm
LONGINES SPIRIT ZULU TIME39mm
Power Reserve
Reef 42 mm56h
LONGINES SPIRIT ZULU TIME40h
Water Resistance
Reef 42 mm300m
LONGINES SPIRIT ZULU TIME100m
MSRP
Reef 42 mm$2,414
LONGINES SPIRIT ZULU TIME$5,200

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
39mm
Thickness
11.4mm
13.5mm
Lug-to-Lug
47mm
46.8mm
Lug Width
22mm
21mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Anthracite
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
L844.4
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$5,200

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

LONGINES SPIRIT ZULU TIME

Owners widely praise the Longines Spirit Zulu Time for its superb finishing, smooth crown action, and mesmerizing ceramic bezel, with many noting its premium pilot/sporty design and unique dial details. The movement is consistently lauded for its extreme accuracy, running at 0 to +1 second per day, and the watch is considered to offer remarkable value that punches above its price point. However, the bracelet is criticized by multiple sources for its push-pin adjustment and limited micro-adjustment holes, and the 42mm case size with a 49.3mm lug-to-lug is noted as potentially large for smaller wrists, though some users express a preference for the 39mm size. One owner reported their movement failed within the first year and found setting the date a "nightmare," while another owner notes minor criticisms like the date window being slightly off-center. On balance, owners and reviewers rate the Longines Spirit Zulu Time highly for its impressive finishing and accuracy at its price point.

From video reviewers

The 39mm case size is a significant strength, addressing previous concerns about thickness. The value proposition within the GMT market is also a shared positive point. No consensus on weaknesses was reached.

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