Seiko Cal. 6163 - 373

The Seiko 6163-373 represents an important milestone in Seiko's 1966 lineup. Powered by the 6163 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-bd439a228b93]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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