Seiko Cal. 7181 - 321

The Seiko 7181-321 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6159ef58c990]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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