Seiko Cal. 6680 - 420

The 6680-420 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6680 caliber with 35j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-fc86f8c7489e]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1988

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