Seiko Cal. 6686 - 720

The 6686-720 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6686 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-6b6c4c6b7c18]

Also known as: Rally, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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