Seiko Cal. 6687 - 966

The 6687-966 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-8a25cd86b41d]

Also known as: Shogun, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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