Seiko Cal. 6627 - 457

This Spring Drive model from 1980 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ebba12bbb04d]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1980

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