Seiko Cal. 6616 - 906

This Spring Drive model from 1977 features a 45mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-1d2b105f9407]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

Related Models

• Seiko 6245-281
• Seiko 4431-485
• Seiko 6350-720
• Seiko 4581-440
• Seiko 4535-359
• Seiko 7011-407
• Seiko 4594-176
• Seiko 6196-834
• Seiko 6355-164
• Seiko 5289-639
• Seiko 6196-459
• Seiko 6629-108