Seiko Cal. 6668 - 631

The 6668-631 is a sought-after Solar piece from Seiko's golden era. Powered by the 6668 caliber with 35j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-2d6b6c172e6f]

Also known as: Panda, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1995

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