Head-to-Head Comparison

Longines Master Collection Moonphase vs Seiko Presage Cocktail Time SRPE15

Longines's dress watch meets Seiko's timepiece

Quick Verdict

The Seiko Presage Cocktail Time SRPE15 (~$399) delivers Seiko In-House Automatic technology at $2,601 less than the Longines Master Collection Moonphase (~$3,000). The Master Collection Moonphase justifies its premium with Swiss Made heritage and Automatic Caliber L899. Both represent excellent choices in the luxury watch category.

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Longines Master Collection Moonphase

Longines

Master Collection Moonphase

~$3,000

Seiko Presage Cocktail Time SRPE15

Seiko

Presage Cocktail Time SRPE15

~$399

Specifications Compared

FeatureLongines Master Collection MoonphaseSeiko Presage Cocktail Time SRPE15
Price~$3,000~$399
Case Size40mm40.5mm
MovementAutomatic Caliber L899Automatic Caliber 4R35
Caliber TypeAutomatic (ETA A31.L91 base)Seiko In-House Automatic
Power Reserve72 Hours41 Hours
Water Resistance30m (3 ATM)50m (5 ATM)
CrystalSapphire CrystalHardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Longines's design language vs Seiko's approach

⚙️

Movement & Performance

Edge: Longines

Automatic Caliber L899 vs Automatic Caliber 4R35

📏

Wearability & Fit

Edge: Longines

40mm vs 40.5mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Seiko

Seiko is $2,601 more affordable

💧

Water Resistance

Edge: Seiko

30m (3 ATM) vs 50m (5 ATM)

Our Verdict

Longines

Master Collection Moonphase

Choose the Longines Master Collection Moonphase if you prioritize Automatic (ETA A31.L91 base) engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At ~$3,000, it delivers Automatic Caliber L899 with 72 Hours power reserve.

Check Price on Amazon

Seiko

Presage Cocktail Time SRPE15

Choose the Seiko Presage Cocktail Time SRPE15 if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At ~$399, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Longines Master Collection Moonphase and Seiko Presage Cocktail Time SRPE15 represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions