Side by side

Venezianico Arsenale CalendariovsSeiko Prospex Sea Save the Ocean Special Edition

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

Arsenale Calendario
VenezianicoArsenale Calendario
MSRP $1,400

At a glance

12 of 29 specs differ
Diameter
Arsenale Calendario40mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Arsenale Calendario40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Arsenale Calendario50m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Arsenale Calendario$1,400
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
40mm
45mm
Thickness
9.6mm
13.2mm
Lug-to-Lug
44mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9100
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,400
$625

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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.

Venezianico Arsenale Calendario

The Venezianico Arsenale Calendario is widely praised for its elegant Italian design, comfortable 40mm wearability, and intricate finishing that gives it a premium look, all offered at a value price point around $1,400. Reviewers note its clean dial execution and comfortable tapered bracelet, though some find the day and month subdials a bit cramped and the month pusher shape could be refined. The Miyota 9100 movement's accuracy is reported to range from -10/+30 seconds per day as standard, with in-house regulation to approximately ±15 seconds per day, though users have reported better real-world performance. Its 50m water resistance is noted as a limitation due to the 10 o'clock push-button. Overall, reviewers highlight the Venezianico Arsenale Calendario as a value-driven timepiece with a complete calendar complication and sophisticated styling.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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