Seiko Cal. 6669 - 257

This Spring Drive model from 1991 features a 43mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-40a3a7d6fd1e]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1991

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