Seiko Cal. 6687 - 658

The 6687-658 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6687 caliber with 19j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-53d29dcb68a3]

Also known as: Pogue, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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