Seiko Cal. 6375 - 445

The Seiko 6375-445 represents an important milestone in Seiko's 1991 lineup. Powered by the 6375 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-67e86ae69f52]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1991

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