Seiko Cal. 5674 - 939

The Seiko 5674-939 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-553427212eb9]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1984

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