Seiko Cal. 6687 - 837

Released in 1995, the Cal. 6687 with design code 837 was part of Seiko's domestic market collection. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7cfbc57cbb2e]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1995

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