Side by side

Seiko Essentials Tank (Ladies)vsZelos Spearfish GMT

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

Essentials Tank (Ladies)
SeikoEssentials Tank (Ladies)
MSRP $365
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

12 of 29 specs differ
Diameter
Essentials Tank (Ladies)26mm
Spearfish GMT40mm
Power Reserve
Essentials Tank (Ladies)40h
Spearfish GMT40h
Water Resistance
Essentials Tank (Ladies)50m
Spearfish GMT200m
MSRP
Essentials Tank (Ladies)$365
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
26mm
40mm
Thickness
6.4mm
13mm
Lug-to-Lug
34.8mm
40mm
Lug Width
15mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Frost

Movement

2 specs
Caliber
4N30
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$365
$999

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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.

Seiko Essentials Tank (Ladies)

The Seiko Essentials Tank (Ladies) is praised for its clean and simple design, with owners noting its versatile look that pairs well with casual outfits. Some owners recommend swapping the bracelet for leather straps to enhance the classic tank watch aesthetic. Overall, owners rate the Seiko Essentials Tank (Ladies) highly for its adaptable style and straightforward design.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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