Seiko Cal. 6163 - 937

The Seiko 6163-937 represents an important milestone in Seiko's 1987 lineup. Powered by the 6163 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-5c01aa5dcbbb]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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