Seiko Cal. 6687 - 255

Released in 1986, the Cal. 6687 with design code 255 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-7638d7b29f78]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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