Seiko Cal. 3821 - 587

The Seiko 3821-587 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-5640143d9cf1]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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