Seiko Cal. 7181 - 321

Released in 1974, the Cal. 7181 with design code 321 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-097df95d9f27]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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