Seiko Cal. 7151 - 171

The Seiko 7151-171 represents an important milestone in Seiko's 1981 lineup. Powered by the 7151 caliber with 36j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-9acf1d309551]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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