Side by side

Sinn 206 ARKTIS IIvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 206 ARKTIS II

The Sinn 206 ARKTIS II is widely praised as a capable tool watch, particularly for its legibility and advanced features. Owners and reviewers highlight its robust build, including screw-down chronograph pushers accessible underwater thanks to Sinn's D3 system, and Ar-Dehumidifying Technology to prevent fogging. The watch is powered by a top-grade ETA Valjoux 7750 automatic chronograph movement, offering a two-day power reserve and anti-magnetic properties. Its "arctic ice" blue dial is noted for its striking appearance and legibility. However, the 43mm case size and thickness are mentioned by some as potentially too large for smaller wrists, and the chronograph pushers require a firm press. On balance, owners and reviewers highly regard the Sinn 206 ARKTIS II for its impressive dive watch capabilities and distinctive blue dial.

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

The Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition features a 40mm case, 300m water resistance, and a 72-hour power reserve from the Calibre 6R55 movement, with a new grey bezel insert and a wave-patterned silvery-white dial. Owners find the watch attractive and the large case wears well without feeling bulky. However, some consider the price of €1900 for a 6R54 movement with an accuracy of +25/-15 seconds per day to be too high, and the production run of 6000 units is not seen as a true limited edition. Overall, owners find the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition aesthetically pleasing with good wearability, but express concerns regarding its value proposition and movement accuracy for the price.

At a glance

17 of 29 specs differ
Diameter
206 ARKTIS II43mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Power Reserve
206 ARKTIS II60h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
206 ARKTIS II300m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
206 ARKTIS II$4,536
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750

Full specifications

Case

6 specs
Diameter
43mm
42mm
Thickness
17mm
13.3mm
Lug-to-Lug
48.6mm
Lug Width
22mm
20mm
Finish
polished / satinized
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Blue
Indices
Lume
Luminescent
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Concepto C99001
6R54
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
72h
Jewels
25
24
Complications
Date, Day-Date, Chronograph
None

Pricing

1 specs
MSRP
$4,536
$1,750
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