Seiko Cal. 5646 - 901

The Seiko 5646-901 represents an important milestone in Seiko's 1996 lineup. Powered by the 5646 caliber with 18j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-5dc9b9f307e9]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

Related Models

• Seiko 7050-747
• Seiko 4439-398
• Seiko 5626-721
• Seiko 0757-592
• Seiko 7189-245
• Seiko 6278-786
• Seiko 4468-746
• Seiko 5271-589
• Seiko 6174-230
• Seiko 7073-471
• Seiko 0723-396
• Seiko 4596-887