Seiko Cal. 6659 - 691

The 6659-691 is a sought-after Solar piece from Seiko's golden era. Powered by the 6659 caliber with 33j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-5746f9c1c70c]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

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