Seiko Cal. 7031 - 688

Released in 1968, the Cal. 7031 with design code 688 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-b8377cd08cb9]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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