Seiko Cal. 7090 - 422

The 7090-422 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7090 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-067c44f5d9f3]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1995

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