Seiko Cal. 5640 - 289

The 5640-289 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5640 caliber with 36j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-67fb8113b1b7]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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