Seiko Cal. 3820 - 193

The Seiko 3820-193 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4d65518ea1ea]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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