Seiko Cal. 3878 - 993

The 3878-993 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3878 caliber with 30j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-d1fe18187072]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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