Seiko Cal. 5251 - 120

The Seiko 5251-120 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-85576a8517a7]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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