Seiko Cal. 6657 - 868

The 6657-868 is a sought-after Solar piece from Seiko's golden era. Powered by the 6657 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-f68808648b6e]

Also known as: UFO, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1989

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