Seiko Cal. 6687 - 317

The Seiko 6687-317 represents an important milestone in Seiko's 1986 lineup. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-d6cf49c02dc5]

Also known as: Samurai, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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