Seiko Cal. 7031 - 440

This Spring Drive model from 1970 features a 42mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-26ffda350563]

Also known as: Panda, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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