Seiko Cal. 6687 - 401

The Seiko 6687-401 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-0e8a28272686]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1985

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