Seiko Cal. 6681 - 991

The Seiko 6681-991 represents an important milestone in Seiko's 1980 lineup. Powered by the 6681 caliber with 19j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ee8041f8a491]

Also known as: Pogue, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1980

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