Seiko Cal. 6647 - 145

This Automatic model from 1983 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-ce622a379937]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1983

Related Models

• Seiko 0744-832
• Seiko 4579-301
• Seiko 6250-154
• Seiko 7094-338
• Seiko 6629-932
• Seiko 6280-156
• Seiko 6370-585
• Seiko 6346-478
• Seiko 4598-147
• Seiko 6155-156
• Seiko 4526-244
• Seiko 4539-547