Seiko Cal. 6627 - 991

The Seiko 6627-991 represents an important milestone in Seiko's 1985 lineup. Powered by the 6627 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-4e0898a70ea3]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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