Seiko Cal. 3887 - 492

This Spring Drive model from 1977 features a 43mm Gold-Plated case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-954165233f3d]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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