Sheffield 1A SCR II BluevsSeiko Prospex Marinemaster 1965 Heritage Diver's Watch

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Sheffield 1A SCR II Blue at true scale

1A SCR II Blue

Seiko Prospex Marinemaster 1965 Heritage Diver's Watch at true scale

Prospex Marinemaster 1965 Heritage Diver's Watch

Diameter

40mm

39.5mm

Lug-to-Lug

48mm

47.2mm

lowest

Thickness

13mm

12.3mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

45h

MSRP

$278

lowest

$2,800

Movement

Seiko NH35

Seiko 6L37

Case

3 specs
Diameter
40mm
39.5mm
Thickness
13mm
12.3mm
Lug-to-Lug
48mm
47.2mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Box
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6L37
Power Reserve
0h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$278
$2,800
Keep your wishlist and collection together in the appExplore the app

Reviews

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

Sheffield 1A SCR II Blue

Owners widely praise the Sheffield 1A SCR II Blue for its excellent finishing and vibrant blue dial, with one owner highlighting the fantastic lume and domed crystal as standout features. The watch is considered a great value, offering quality comparable to higher-priced alternatives. One owner notes the bezel action could be crisper. Overall, owners rate the Sheffield 1A SCR II Blue highly for its impressive finishing and dial quality at an affordable price.

Seiko Prospex Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is praised for its modern execution of a classic design, with reviewers noting the appealing 39.5mm case size and updated bracelet that improve wearability. Some reviewers mention the 6L37 movement has a 46-hour power reserve, with accuracy rated around -10/+15 seconds per day. A drawback identified by reviewers is the lack of tool-free micro-adjustment on the clasp. Overall, owners and reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch to be a handsome re-interpretation of a beloved design, with its improved wearability being a key strength.

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

DiscussionNot started

Also compared

Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.