Seiko Cal. 5640 - 274

The 5640-274 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0884883172e2]

Also known as: Goldfeather, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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