Seiko Cal. 6657 - 868

Seiko 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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