Seiko Cal. 5648 - 666

This Hand-Winding model from 1983 features a 41mm Titanium case. Powered by the 5648 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7223f951f895]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

Related Models

• Seiko 6131-209
• Seiko 7044-955
• Seiko 6341-893
• Seiko 4497-455
• Seiko 0731-818
• Seiko 0711-729
• Seiko 4596-211
• Seiko 5688-610
• Seiko 0756-663
• Seiko 7111-840
• Seiko 5693-248
• Seiko 5298-448