Seiko Cal. 3842 - 192

The Seiko 3842-192 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a8330fc0dea8]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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