Seiko Cal. 6363 - 203

This Quartz model from 1977 features a 37mm PVD Black case. Powered by the 6363 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-a381d1006d0c]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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