Seiko Cal. 6171 - 990

The Seiko 6171-990 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-2d8f0b537154]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1987

Related Models

• Seiko 5650-650
• Seiko 0718-343
• Seiko 5260-978
• Seiko 0779-675
• Seiko 6114-193
• Seiko 6696-752
• Seiko 3890-940
• Seiko 7126-230
• Seiko 6225-642
• Seiko 7060-694
• Seiko 6373-296
• Seiko 6388-873