Side by side

Seiko Prospex SeavsSternglas Tachymeter

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

Prospex Sea
SeikoProspex Sea
MSRP $795
Tachymeter
SternglasTachymeter
MSRP $312
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.

Sternglas Tachymeter

The Sternglas Tachymeter is praised for its sporty chronograph design and wrist presence, offering character without being an overt tool watch. Reviewers note it as an improvement over its predecessor, featuring an upscale design with a colored aluminum bezel insert and more colorful dial options. It utilizes the Seiko VK63 meca-quartz movement, is accurate to ±20 seconds per month, and boasts a three-year battery life, all at a competitive price of €389. The Sternglas Tachymeter is considered good value for its design, functionality, and small-brand cachet, offering a charming youthfulness. One reviewer noted that the "orange" on one model appeared yellow, and suggested a tachymeter scale extending to 200 instead of 500 would be more useful. Overall, owners and reviewers rate the Sternglas Tachymeter highly for its value and appealing, youthful chronograph design.

At a glance

13 of 29 specs differ
Diameter
Prospex Sea34mm
Tachymeter42mm
Power Reserve
Prospex Sea40h
Tachymeter
Water Resistance
Prospex Sea200m
Tachymeter50m
MSRP
Prospex Sea$795
Tachymeter$312

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
34mm
42mm
Thickness
8.7mm
10mm
Lug-to-Lug
40.8mm
50mm
Lug Width
16mm
20mm
Water Resistance
200m
50m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6N01
Miyota 0S20
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$795
$312
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