Seiko Cal. 6681 - 641

The 6681-641 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3f6ddc0beb08]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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