Seiko Cal. 6375 - 991

The Seiko 6375-991 represents an important milestone in Seiko's 1977 lineup. Powered by the 6375 caliber with 19j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-8cde6bdf003e]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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