Side by side

Seiko Prospex SeavsTissot PR 100

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

Prospex Sea
SeikoProspex Sea
MSRP $795
PR 100
TissotPR 100
MSRP $450

At a glance

12 of 29 specs differ
Diameter
Prospex Sea34mm
PR 10036mm
Power Reserve
Prospex Sea40h
PR 10040h
Water Resistance
Prospex Sea200m
PR 100100m
MSRP
Prospex Sea$795
PR 100$450

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
34mm
36mm
Thickness
8.7mm
11.05mm
Lug-to-Lug
40.8mm
36mm
Lug Width
16mm
18mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
White mother-of-pearl
Indices
Applied
Index
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

1 specs
Caliber
6N01
10 1/2 '''

Pricing

1 specs
MSRP
$795
$450

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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 Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

Tissot PR 100

Owners widely praise the Tissot PR 100 for its excellent value, with specific mentions of its sapphire crystal, 100m water resistance, and the 80-hour power reserve of its Powermatic 80 movement. Reviewers and owners consistently highlight its pleasing winding action and strong lume. Accuracy figures for the Powermatic 80 COSC variants are reported as -2 seconds per day or +/- 1-2 seconds per day. Some owners note that the crystal attracts fingerprints and that the black finish on some bracelets can wear off after extended daily use. A single owner of a quartz model experienced a recurring issue where the watch stopped for periods weekly, which was not resolved by a battery replacement. Overall, owners and reviewers rate the Tissot PR 100 highly for its exceptional value and robust features, particularly its durable construction and reliable movements.

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