Seiko Cal. 6687 - 273

The 6687-273 is a sought-after Solar piece from Seiko's golden era. Powered by the 6687 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-e43fdb6d3c9f]

Also known as: World Timer, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1967

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