Seiko Cal. 6163 - 640

This Quartz model from 1972 features a 46mm Stainless Steel case. Powered by the 6163 caliber with 17j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-5e4688e9b3d3]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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