Seiko Cal. 6687 - 350

The 6687-350 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-dad06fda2908]

Also known as: Monster, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1983

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