Seiko Cal. 7151 - 473

The 7151-473 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7151 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c1c3509baf7a]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

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