Seiko Cal. 7121 - 807

The Seiko 7121-807 represents an important milestone in Seiko's 1992 lineup. Powered by the 7121 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-2534c11462e6]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1992

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