Seiko Cal. 7157 - 547

The 7157-547 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7157 caliber with 23j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-bd748bc4a05b]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

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