Head-to-Head Comparison

Orient Bambino Open Heart vs Tissot Gentleman Powermatic 80 Silicium

Orient's timepiece meets Tissot's dress watch

Quick Verdict

The Orient Bambino Open Heart ($250–$500) offers Orient In-House Automatic, hand-winding and hacking precision in the tier below the Tissot Gentleman Powermatic 80 Silicium ($500–$1,000). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The Gentleman Powermatic 80 Silicium counters with Swiss Made (Swatch Group) craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Orient Bambino Open Heart

Orient

Bambino Open Heart

$250–$500

Tissot Gentleman Powermatic 80 Silicium

Tissot

Gentleman Powermatic 80 Silicium

$500–$1,000

Specifications Compared

FeatureOrient Bambino Open HeartTissot Gentleman Powermatic 80 Silicium
Price$250–$500$500–$1,000
Case Size40.5mm40mm
MovementAutomatic Caliber F6T22Powermatic 80.811 (Silicon Hairspring)
Caliber TypeOrient In-House Automatic, hand-winding and hackingETA-Based Automatic with Silicon Hairspring
Power Reserve40 Hours80 Hours
Water Resistance30m (3 ATM)100m (10 ATM)
CrystalDomed Mineral CrystalSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginJapanese MovementSwiss Made (Swatch Group)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Orient's design language vs Tissot's approach

The Orient Bambino Open Heart features a Stainless Steel case at 40.5mm with Domed Mineral Crystal protection. The Tissot Gentleman Powermatic 80 Silicium offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Tissot

Automatic Caliber F6T22 vs Powermatic 80.811 (Silicon Hairspring)

The Bambino Open Heart runs the Automatic Caliber F6T22 (Orient In-House Automatic, hand-winding and hacking, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Gentleman Powermatic 80 Silicium uses the Powermatic 80.811 (Silicon Hairspring) (ETA-Based Automatic with Silicon Hairspring, 80 Hours reserve) at 21,600 vph (3 Hz). The Gentleman Powermatic 80 Silicium offers a longer power reserve.

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Wearability & Fit

Edge: Tissot

40.5mm vs 40mm — different wrist presence

At 40.5mm, the Bambino Open Heart has a bolder wrist presence compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Orient Bambino Open Heart sits at $250–$500 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Bambino Open Heart uses Domed Mineral Crystal with 40 Hours, against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Tissot

30m (3 ATM) vs 100m (10 ATM)

The Bambino Open Heart is rated to 30m (3 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). The Gentleman Powermatic 80 Silicium offers superior water resistance.

Our Verdict

Orient

Bambino Open Heart

Choose the Orient Bambino Open Heart if you prioritize Orient In-House Automatic, hand-winding and hacking engineering, Japanese Movement craftsmanship, and 30m (3 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6T22 with 40 Hours power reserve.

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Tissot

Gentleman Powermatic 80 Silicium

Choose the Tissot Gentleman Powermatic 80 Silicium if you value ETA-Based Automatic with Silicon Hairspring technology, Swiss Made (Swatch Group) heritage, and 40mm proportions. At $500–$1,000, the Powermatic 80.811 (Silicon Hairspring) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Orient Bambino Open Heart and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Orient bringing Japanese Movement tradition while Tissot delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Orient Bambino Open Heart ($250–$500) offers Automatic Caliber F6T22 with 40 Hours power reserve, while the Tissot Gentleman Powermatic 80 Silicium ($500–$1,000) features Powermatic 80.811 (Silicon Hairspring) with 100m (10 ATM) water resistance. Choose based on your priorities: Japanese Movement craftsmanship vs Swiss Made (Swatch Group) engineering.
The Orient Bambino Open Heart offers better upfront value, sitting a tier lower at $250–$500. However, the Tissot Gentleman Powermatic 80 Silicium may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Bambino Open Heart at 40.5mm with 30m (3 ATM) water resistance handles everyday situations. The Gentleman Powermatic 80 Silicium at 40mm with 100m (10 ATM) is similarly capable. The Bambino Open Heart uses Domed Mineral Crystal while the Gentleman Powermatic 80 Silicium uses Sapphire Crystal. Sapphire resists scratches noticeably better than mineral glass.

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.