Seiko Cal. 5643 - 651

Seiko 5643-651

The Seiko 5643-651 represents an important milestone in Seiko's 1968 lineup. Powered by the 5643 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ed16198711a3]

Also known as: Rally, Emperor

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1968

Related Models

seikata-wm-ed16198711a3