Seiko Cal. 5687 - 221

The 5687-221 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5687 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5104c1f68f7c]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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