Seiko Cal. 6691 - 401

The Seiko 6691-401 represents an important milestone in Seiko's 1991 lineup. Powered by the 6691 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-c06d121028d2]

Also known as: Pogue, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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