Seiko Cal. 5646 - 103

The Seiko 5646-103 represents an important milestone in Seiko's 1974 lineup. Powered by the 5646 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-8b8ae8fa59c7]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1974

Related Models

• Seiko 7186-891
• Seiko 5687-692
• Seiko 6161-842
• Seiko 6376-468
• Seiko 0730-958
• Seiko 4578-758
• Seiko 4457-772
• Seiko 4548-474
• Seiko 3847-326
• Seiko 6139-992
• Seiko 5697-859
• Seiko 7147-225