Seiko Cal. 3878 - 417

The 3878-417 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d6941b983aba]

Also known as: UFO, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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