Seiko Cal. 3884 - 400

This Spring Drive model from 1978 features a 42mm Stainless Steel case. Powered by the 3884 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-03190b1bd7b9]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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