Seiko Cal. 6687 - 413

The 6687-413 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6687 caliber with 17j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f465d44a8e5d]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

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