Seiko Cal. 6681 - 731

The 6681-731 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6681 caliber with 26j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-bda7f0cb9d99]

Also known as: World Timer, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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