Seiko Cal. 6681 - 287

This Automatic model from 1971 features a 35mm Gold-Plated case. Powered by the 6681 caliber with 23j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-76f524b90189]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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