Seiko Cal. 3881 - 228

This Kinetic model from 1970 features a 34mm Titanium case. Powered by the 3881 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-c7f3483a246f]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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