Seiko Cal. 3880 - 290

The Seiko 3880-290 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1ed661182da1]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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