Seiko Cal. 6645 - 398

This Spring Drive model from 1998 features a 43mm Titanium case. Powered by the 6645 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-9380e93e7ccd]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1998

Related Models

• Seiko 6217-525
• Seiko 7047-681
• Seiko 4462-509
• Seiko 6188-258
• Seiko 5298-559
• Seiko 3896-713
• Seiko 6361-635
• Seiko 7068-324
• Seiko 6377-941
• Seiko 7058-326
• Seiko 4489-250
• Seiko 7186-405