Omega Seamaster 300 Heritage 234.30.41.21.03.002 41 mm Blue Dial

Specifications

Diameter41 mm

MaterialSteel

DialBlue

Bracelet materialSteel

CalibreCo-Axial Master Chronometer Calibre 8912

Water resistance30 bar / 300 m

Case16 fields

Diameter	41 mm
Case width	41 mm
Thickness	13.9 mm
Lug To Lug	48 mm
Lug width	21 mm
Shape	Round
Weight	156 g
Material	Steel
Bezel	Unidirectional rotating bezel
Crown	Screw-Down
Caseback	Transparent caseback
Crystal	Domed, scratch‑resistant sapphire crystal with anti‑reflective treatment inside
Crystal coating	Anti-reflective coating
Water resistance	30 bar / 300 m
Water Resistance Category	Dive
Magnetic resistance	Enhanced

Reference details5 fields

Gender	Men's
Production status	Active
Origin	Switzerland
Warranty	5 years
Size category	Large

Dial and bracelet10 fields

Dial	Blue
Dial finish	Polished
Markers	Applied markers
Display	Analog
Lume	Super-LumiNova
Luminous display	Yes
Strap or bracelet	Steel bracelet
Bracelet material	Steel
Strap color	Silver
Clasp	Foldover clasp with comfort setting

Movement2 fields

Calibre	Co-Axial Master Chronometer Calibre 8912
Movement	Automatic

Functions and complications4 fields

Complications	GMT
Functions	Anti-Magnetic, Chronometer, Master Chronometer Certified, Screw-in crown, Time zone function, Rotating bezel, Co-Axial escapement
GMT	Yes
Dive watch	Yes

Price history

Last recorded full-set offer SAR 29,478 23 Sep 2026

Latest median SAR 31,903 11 Nov 2026

Lowest median SAR 28,897 14 Aug 2026

Highest median SAR 38,431 29 Aug 2026

Median delivered estimate Lowest tracked offer Full-set pricing

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Dots mark recorded full-set prices. A dashed brown line spans dates with no recorded full-set price.

14 daily market snapshots since 14 Aug 2026. For watches with the original box and papers, the chart shows the sole qualifying offer or the median of several.

Overview

About this reference

Summer Blue on a Seamaster 300 is 234.30.41.21.03.002: 41 mm steel, polished blue dial, applied markers, unidirectional rotating bezel, and GMT on automatic Co-Axial Master Chronometer calibre 8912. Steel bracelet, foldover clasp with comfort setting, screw-down crown, 300 metres, transparent caseback. Thickness 13.85 mm; the sapphire is domed with anti-reflective treatment on the inside.

Three listings currently show 234.30.41.21.03.002 in Saudi Arabia. Closest family numbers are 234.30.41.21.03.001 and 234.30.41.21.01.001, then 233.20.41.21.01.001, 235.10.38.20.13.001 and 235.10.38.20.06.001. The 03.002 ending is what separates it from 234.30.41.21.03.001. Read the full code and the Summer Blue name on the listing.

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