Seiko Cal. 5277 - 287

The 5277-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5277 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a9ba9cfc2fb4]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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