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1955 Hamilton Automatic K-454 "Sputnik"

1955 Hamilton Automatic K-454 "Sputnik"

Serviced November 2023, original silver dial with 18k gold applied hour marker dots and flush gold markers, hand polished 10k gold filled case, stainless steel screw down case back. Unworn brown top grain leather strap, alloy mainspring, NOS high domed acrylic crystal, signed crown.

Made from 1955 through 1957, the Automatic K-454 is commonly referred to as the Sputnik. The K-454's unique dial with applied gold dots and flush gold markers that align with the lugs is reminiscent of the Soviet satellite that was launched in 1957 that it takes its nick name from. The watch features a Swiss made 661 caliber automatic movement with 17 jewels. The original silver dial is in excellent condition with no patina visible. The painted Hamilton logo and the automatic and Swiss branding are excellent. The applied hour markers are 18k gold and have been relumed. The hands appear to be original, are in good condition with light patina, and have also been relumed. There is no visible plate wear to the 10k gold filled case. Fine scratching on the stainless steel screw down caseback. The watch comes ready to wear on a brand new unworn brown top grain leather two piece strap with quick release spring bars and gold tone hardware. The 661 automatic wind movement was serviced November 2023 and is running well and currently performing at +/- 15 seconds per day.


33.9mm bezel (excluding the crown)
11.2mm Tall
18mm Lug Width
41.2mm Tip to Tip

Case - Hand polished 10k gold filled case, stainless steel screw down case back.

Lugs - No plate wear on the lugs, including on the edges and tips.

Crystal - NOS acrylic crystal installed during service.

Hands - Appear to be original with light patina. Relumed hour and minute hands.

Dial - Original silver dial with 18k applied gold dots and flush gold markers. No patina evident. Paint on the dial is in excellent condition. Hour markers have been relumed.

Band - Brown top grain leather two piece strap with gold tone hardware and quick release springbars.

Movement - Swiss made Hamilton caliber 661, automatic wind, 17 jewels. Serviced November 2023. Runs strong and keeping excellent time.
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