Seiko Cal. 7120 - 704

The 7120-704 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7120 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-e0b158c6a8be]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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