Seiko Cal. 6328 - 880

This Spring Drive model from 1976 features a 45mm Titanium case. Powered by the 6328 caliber with 23j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-9fcf74fc2ee6]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1976

Related Models

• Seiko 6368-218
• Seiko 6224-458
• Seiko 4562-287
• Seiko 4513-919
• Seiko 5685-791
• Seiko 3823-365
• Seiko 7130-807
• Seiko 4435-176
• Seiko 6662-149
• Seiko 6659-473
• Seiko 0780-745
• Seiko 7126-274