Side by side

Lum-Tec Combat B71vsSeiko Prospex Sea Save the Ocean Special Edition

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

What people say

Owners + reviewers, side by side

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

Lum-Tec Combat B71

Owners widely praise the Lum-Tec Combat B7 for its exceptionally bright lume and utilitarian design, with one owner specifically noting the appeal of the Cali dial. Confidence exists in the durability of its DLC coating. Reviewers, however, flag the hands as too short and the date window as less than ideally integrated.

Seiko Prospex Sea Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

At a glance

11 of 29 specs differ
Diameter
Combat B7143mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Combat B7140h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Combat B71200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Combat B71$595
Prospex Sea Save the Ocean Special Edition$650

Full specifications

Case

4 specs
Category
Diver
Diameter
43mm
43.8mm
Thickness
13.6mm
12.8mm
Lug-to-Lug
51.5mm
48.7mm

Crystal & Dial

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

Movement

3 specs
Caliber
Ronda 515
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$595
$650
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