Seiko Cal. 3881 - 212

This Automatic model from 1974 features a 43mm Hardlex-Coated Steel case. Powered by the 3881 caliber with 24j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-342bb1e441e3]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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