Seiko Cal. 7180 - 340

The 7180-340 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-4d91e1854bea]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1967

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