Seiko Cal. 6621 - 691

This Quartz model from 1994 features a 38mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-be9c16d7be45]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1994

Related Models

• Seiko 5622-783
• Seiko 6185-264
• Seiko 4526-244
• Seiko 4430-989
• Seiko 6174-865
• Seiko 3871-962
• Seiko 5611-487
• Seiko 5229-573
• Seiko 7016-264
• Seiko 7035-463
• Seiko 4425-918
• Seiko 4476-156