Seiko Cal. 3842 - 956

The Seiko 3842-956 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-cc442ae58a9a]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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