Seiko Cal. 7122 - 420

The 7122-420 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7122 caliber with 32j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-43b3f3c482a9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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