Side by side

Bremont Supermarine 300MvsLongines SPIRIT ZULU TIME

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
SPIRIT ZULU TIME
LonginesSPIRIT ZULU TIME
MSRP $3,550

At a glance

21 of 29 specs differ
Diameter
Supermarine 300M40mm
SPIRIT ZULU TIME42mm
Power Reserve
Supermarine 300M40h
SPIRIT ZULU TIME72h
Water Resistance
Supermarine 300M300m
SPIRIT ZULU TIME100m
MSRP
Supermarine 300M$3,550
SPIRIT ZULU TIME$3,550

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
12mm
14.1mm
Lug-to-Lug
49.4mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Green
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
BE-92AE
L844.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date, 24 hours hand with time zone mechanism

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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.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

Longines SPIRIT ZULU TIME

Owners widely praise the Longines SPIRIT ZULU TIME for its refined finishing, attractive dial with gilt elements, and smooth winding action. Reviewers highlight its handsome and versatile design, with some noting the 39mm variant offers comfortable wearability. The L844.4 movement provides a 72-hour power reserve and COSC certification. Some owners find the bracelet lacks sufficient micro-adjustment and prefer a weightier feel, while others note the 41mm or 42mm case sizes may be large for smaller wrists. On balance, owners and reviewers rate the Longines SPIRIT ZULU TIME highly for its excellent finishing and appealing design at its price point.

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