Seiko Cal. 7131 - 720

The Seiko 7131-720 represents an important milestone in Seiko's 1976 lineup. Powered by the 7131 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-bc657c1fee59]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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