Side by side

Tissot Seastar 1000 Powermatic 80 GMTvsLongines SPIRIT ZULU TIME

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

Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375
SPIRIT ZULU TIME
LonginesSPIRIT ZULU TIME
MSRP $3,550

At a glance

19 of 29 specs differ
Diameter
Seastar 1000 Powermatic 80 GMT46mm
SPIRIT ZULU TIME42mm
Power Reserve
Seastar 1000 Powermatic 80 GMT80h
SPIRIT ZULU TIME72h
Water Resistance
Seastar 1000 Powermatic 80 GMT300m
SPIRIT ZULU TIME100m
MSRP
Seastar 1000 Powermatic 80 GMT$1,375
SPIRIT ZULU TIME$3,550

Full specifications

Case

7 specs
Diameter
46mm
42mm
Thickness
15.4mm
14.1mm
Lug-to-Lug
46mm
49.4mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Yes
Both sides
Indices
Indexes
Applied Arabic numerals
Lume
Super-LumiNova ®
Super-LumiNova

Movement

7 specs
Caliber
Powermatic 80
L844.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
80h
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

Pricing

1 specs
MSRP
$1,375
$3,550

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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.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

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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