Seiko Cal. 3830 - 881

This Spring Drive model from 1978 features a 37mm Hardlex-Coated Steel case. Powered by the 3830 caliber with 22j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a1881e8a10a0]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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