Seiko Cal. 6690 - 488

The 6690-488 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 34j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-9aca8a9a68c1]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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