Seiko Cal. 7182 - 331

This Spring Drive model from 1965 features a 46mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-856bc680e8cf]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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