Seiko Cal. 7031 - 420

Released in 1970, the Cal. 7031 with design code 420 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f7970cf4be0e]

Also known as: Panda, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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