Seiko Cal. 7121 - 722

The Seiko 7121-722 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-43f9c70c9abc]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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