Seiko Cal. 5227 - 831

The Seiko 5227-831 represents an important milestone in Seiko's 1970 lineup. Powered by the 5227 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-58ecd8f00edc]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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