Side by side

anOrdain Model 1 (Group Buy)vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

14 of 29 specs differ
Diameter
Model 1 (Group Buy)38mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Model 1 (Group Buy)42h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Model 1 (Group Buy)50m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Model 1 (Group Buy)$1,905
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
42mm
Thickness
11mm
12.9mm
Lug-to-Lug
46mm
48.6mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
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
6R54
Type
Manual
Automatic
Power Reserve
42h
72h
Jewels
24

Pricing

1 specs
MSRP
$1,905
$1,500

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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 Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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