Seiko Cal. 6687 - 456

The 6687-456 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6687 caliber with 21j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-b64041247a5f]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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