Seiko Cal. 3873 - 577

The Seiko 3873-577 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-48bd433ad0fb]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

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