Seiko Cal. 6670 - 640

This Spring Drive model from 1994 features a 45mm PVD Black case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0c36042c1092]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1994

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