Seiko Cal. 7157 - 246

The Seiko 7157-246 represents an important milestone in Seiko's 1971 lineup. Powered by the 7157 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-a0a22c3e1ff6]

Also known as: World Timer, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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