Seiko Cal. 7121 - 355

The 7121-355 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7121 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d814bf0416ef]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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