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 $350

At a glance

12 of 29 specs differ
Diameter
Prospex Sea34mm
PR 10040mm
Power Reserve
Prospex Sea40h
PR 10040h
Water Resistance
Prospex Sea200m
PR 100100m
MSRP
Prospex Sea$795
PR 100$350

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
34mm
40mm
Thickness
8.7mm
8.25mm
Lug-to-Lug
40.8mm
40mm
Lug Width
16mm
20mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
6N01
11 1/2'''

Pricing

1 specs
MSRP
$795
$350

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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 exceptional value, with many noting its sapphire crystal, robust build, and attractive design. The Powermatic 80 variants are particularly lauded for their 80-hour power reserve and accuracy, with some reporting deviations as low as +/- 1-2 seconds per day. Owners appreciate the clean dials and practical clasps, finding the 39mm and 40mm sizes versatile. However, some owners report the crystal easily picks up fingerprints, and the stainless steel case and bracelet can show scratches or wear over time, with one instance of a bracelet falling apart after five years. Some also note that only the hands have lume, and the seconds hand may not perfectly align with markers on certain quartz models. Overall, owners rate the Tissot PR 100 highly for its impressive value and solid construction, making it a well-regarded entry-level Swiss timepiece.

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