Seiko Cal. 7142 - 531

The 7142-531 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7142 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f610818c63e8]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

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