Seiko Cal. 3873 - 973

Released in 1975, the Cal. 3873 with design code 973 was part of Seiko's domestic market collection. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fb4ebcd36671]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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