Seiko Cal. 3881 - 451

The Seiko 3881-451 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0ca012755f8d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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