Seiko Cal. 6687 - 472

The Seiko 6687-472 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-855bc8b6f309]

Also known as: Tuna, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1989

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