Seiko Cal. 7182 - 197

This Hand-Winding model from 1981 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-aa8acb5b6845]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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