Seiko Cal. 3878 - 441

The 3878-441 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3878 caliber with 17j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-86b5d29648f1]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1980

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