Seiko Cal. 6687 - 827

The Seiko 6687-827 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-583a851ce653]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1978

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