Seiko Cal. 6628 - 354

The Seiko 6628-354 represents an important milestone in Seiko's 1992 lineup. Powered by the 6628 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8988cc59486b]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1992

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