Seiko Cal. 3881 - 429

The Seiko 3881-429 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-76bb82dfb0cb]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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