Seiko Cal. 6633 - 378

This Automatic model from 1988 features a 35mm PVD Black case. Powered by the 6633 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-f0ecd64131d2]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1988

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