Seiko Cal. 6621 - 172

This Quartz model from 1973 features a 38mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-c95e8c1791ce]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

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