Seiko Cal. 5664 - 850

This Spring Drive model from 1988 features a 44mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-a0e9b3752935]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

Related Models

• Seiko 6145-548
• Seiko 6674-104
• Seiko 4441-873
• Seiko 5655-595
• Seiko 6698-194
• Seiko 7029-707
• Seiko 0771-481
• Seiko 4564-452
• Seiko 0778-372
• Seiko 4499-311
• Seiko 7072-184
• Seiko 7116-429