Seiko Cal. 3821 - 872

The Seiko 3821-872 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eef1b101396d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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