Seiko Cal. 7184 - 904

The Seiko 7184-904 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-021212a3973f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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