Seiko Cal. 5640 - 809

The 5640-809 is a sought-after Solar piece from Seiko's golden era. Powered by the 5640 caliber with 24j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3e366010632a]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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