Seiko Cal. 6187 - 390

This Spring Drive model from 1966 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-bcc6721a3817]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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