Seiko Cal. 7157 - 711

The Seiko 7157-711 represents an important milestone in Seiko's 1975 lineup. Powered by the 7157 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-344cd3971c9b]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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