Seiko Cal. 6363 - 848

This Spring Drive model from 1977 features a 44mm Two-Tone case. Powered by the 6363 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-fba21a1568c0]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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