Seiko Cal. 5251 - 131

Released in 1967, the Cal. 5251 with design code 131 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-62d8eac328df]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1967

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