Seiko Cal. 6687 - 957

The 6687-957 is a sought-after Solar piece from Seiko's golden era. Powered by the 6687 caliber with 35j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-03f7841956e4]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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