Seiko Cal. 6681 - 862

The Seiko 6681-862 represents an important milestone in Seiko's 1969 lineup. Powered by the 6681 caliber with 36j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1a60733b2c84]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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