Seiko Cal. 6630 - 949

This Spring Drive model from 1977 features a 40mm Titanium case. Powered by the 6630 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-6ccf552486b0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

Related Models

• Seiko 4582-853
• Seiko 5678-998
• Seiko 7145-577
• Seiko 4419-212
• Seiko 6655-353
• Seiko 7086-214
• Seiko 6329-525
• Seiko 6257-869
• Seiko 7074-102
• Seiko 6632-461
• Seiko 3886-557
• Seiko 5252-368