Seiko Cal. 3847 - 987

The 3847-987 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e504815f5dc6]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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