Seiko Cal. 6687 - 410

The 6687-410 is a sought-after Solar piece from Seiko's golden era. Powered by the 6687 caliber with 17j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a3dcf0ebda0b]

Also known as: Silverwave, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1990

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