BOLDR Supply Co. Expedition IIvsSeiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition

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Measurements

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

BOLDR Supply Co. Expedition II at true scale

Expedition II

Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition at true scale

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition

Diameter

41mm

40.5mm

Lug-to-Lug

48mm

47.6mm

lowest

Thickness

14mm

13.2mm

lowest

Water Resistance

200m

200m

Power Reserve

38h

70h

highest

MSRP

$699

lowest

$1,250

Movement

Sellita SW200-1

Seiko 6R35

Case

4 specs
Category
Tool
Diver
Diameter
41mm
40.5mm
Thickness
14mm
13.2mm
Lug-to-Lug
48mm
47.6mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
I Eiger
n/a
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R35
Power Reserve
38h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$699
$1,250
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Reviews

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

BOLDR Supply Co. Expedition II

Owners widely praise the Boldr Expedition II for its legible dials, comfortable wearability, and excellent value, with many appreciating the functional field watch design and bead-blasted finish. Reviewers and owners alike highlight the compact 41mm case size as ideal for daily wear, and the Sellita SW200-1 movement is considered good for the price. Some owners note minor criticisms such as the stock straps, a slightly large feel for smaller wrists, or dial contrast issues on specific variants. The lume is generally considered good, though one owner notes it fades quickly if not worn. Overall, owners and reviewers rate the Boldr Expedition II highly for its tool watch functionality and value proposition.

From video reviewers

The Boldr Expedition II's solid construction and reliability are notable strengths. A weakness is the potential for dim lume brightness, as the entire dial is fully covered in lume but the reviewer's assessment implies it might be inadequate.

Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition for its unique dial color and execution, with one owner noting the 44mm lug-to-lug is perfect for most wrists. The watch is considered a refined piece with a fun factor, featuring a dial inspired by Okinawa's ocean colors expected to have a bright sunburst effect. Accuracy figures for the 6R35 movement range, with one owner reporting -10/+10 seconds per day as "pretty amazing," while others note issues with the 6R movement's accuracy. Some owners find the price of 1500€ too high, suggesting a value closer to 900€. On balance, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition well for its dial execution and wearability, despite some debate over its price point.