Seiko Cal. 3878 - 490

This Automatic model from 1991 features a 38mm Gold-Plated case. Powered by the 3878 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-9adc0e92ec5f]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1991

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