Seiko Cal. 7157 - 129

The 7157-129 is a sought-after Solar piece from Seiko's golden era. Powered by the 7157 caliber with 23j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-7d393baa323f]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

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