Seiko Cal. 6687 - 816

The Seiko 6687-816 represents an important milestone in Seiko's 1982 lineup. Powered by the 6687 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-0e58bec9279b]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1982

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