Seiko Cal. 6687 - 345

The Seiko 6687-345 represents an important milestone in Seiko's 1970 lineup. Powered by the 6687 caliber with 23j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-9f037f77c774]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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