Side by side

anOrdain Model 1 (Group Buy)vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

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

Model 1 (Group Buy)
anOrdainModel 1 (Group Buy)
MSRP $1,905

At a glance

15 of 29 specs differ
Diameter
Model 1 (Group Buy)38mm
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Power Reserve
Model 1 (Group Buy)42h
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Water Resistance
Model 1 (Group Buy)50m
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
MSRP
Model 1 (Group Buy)$1,905
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
42.6mm
Thickness
11mm
14.1mm
Lug-to-Lug
46mm
49.3mm
Lug Width
18mm
20mm
Water Resistance
50m
300m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Hodinkee Sunburst
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW210-1
8L45
Type
Manual
Automatic
Power Reserve
42h
72h
Jewels
35

Pricing

1 specs
MSRP
$1,905
$3,900

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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.

anOrdain Model 1 (Group Buy)

Owners widely praise the anOrdain Model 1 (Group Buy) for its exceptional vitreous enamel dial, custom typography, and elegant, handmade aesthetic. The dial's deep colors and light-reflecting properties are frequently highlighted as a standout feature, with crisp printing and legible layouts. One owner notes the case finishing is basic but well-executed with a high-polish finish and defined lugs. The watch is considered worth the wait and looks better in person, becoming a daily wearer for some. However, long wait times from deposit to delivery, sometimes nearly two years, are a significant drawback. The Sellita SW200-1 movement is standard with a 38-hour power reserve, and one reviewer wished the 12.3mm case was slimmer. Another owner found the case plain and the buckle thin, while also noting white hands could crowd dial numbers on a GMT variant. Accuracy figures vary, with one owner reporting good timekeeping and another noting the watch is keeping good time.

From video reviewers

The enamel dial is a standout feature. Legibility issues were addressed by reluming the hands.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is praised for its distinctive blue sea ice-inspired dial with a gradient effect and textured finish, celebrating its partnership with JAMSTEC. It is powered by the automatic Calibre 8L45 movement, which provides a 72-hour power reserve. The watch features a 42.6mm stainless steel case with a super-hard coating, a ceramic bezel, and a dual-curved sapphire crystal, offering 300m water resistance. Accuracy is rated between -5/+10 seconds per day. Overall, reviewers highlight the unique dial design and robust specifications as key strengths of the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition.

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