Seiko Cal. 3842 - 997

The Seiko 3842-997 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6621ef5dd261]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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