Seiko Cal. 7122 - 531

The Seiko 7122-531 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b85bb8eeef7a]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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