Seiko Cal. 7121 - 292

This Spring Drive model from 1976 features a 34mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-af2f2453cc7d]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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