Seiko Cal. 3853 - 421

The Seiko 3853-421 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6111508a7499]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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