Seiko Cal. 3854 - 580

The Seiko 3854-580 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-614048f96d0e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1984

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