Seiko Cal. 7131 - 490

The Seiko 7131-490 represents an important milestone in Seiko's 1965 lineup. Powered by the 7131 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-9cf9b4ba08a6]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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