Seiko Cal. 6363 - 251

The Seiko 6363-251 represents an important milestone in Seiko's 1967 lineup. Powered by the 6363 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-1963faf4a6d2]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1967

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