Side by side

CWC 1983 RN Divers Quartz Re-Issue WatchvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

1983 RN Divers Quartz Re-Issue Watch
CWC1983 RN Divers Quartz Re-Issue Watch
MSRP $749
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

12 of 29 specs differ
Diameter
1983 RN Divers Quartz Re-Issue Watch40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
1983 RN Divers Quartz Re-Issue Watch40h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
1983 RN Divers Quartz Re-Issue Watch300m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
1983 RN Divers Quartz Re-Issue Watch$749
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

4 specs
Diameter
40mm
42mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
1983 RN Divers Quartz Re-Issue Watch (RN300-83 QS60)
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
6R54
Type
Quartz
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$749
$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.

CWC 1983 RN Divers Quartz Re-Issue Watch

Owners widely praise the CWC 1983 RN Divers Quartz Re-Issue Watch for its historically accurate reproduction, thin profile for a 300m diver, and a second hand that aligns well with indices. Reviewers note its reasonable size on smaller wrists, original dial layout with markers touching the chapter ring, and a broader minute hand. However, criticism is directed at the fixed 20mm bars necessitating specific strap types and the mismatched lume colors between hands and hour markers, with some finding the convex lume on the markers overly shiny. Overall, owners rate the CWC 1983 RN Divers Quartz Re-Issue Watch highly for its accurate vintage aesthetic and wearability.

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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