Seiko Cal. 6643 - 346

Seiko 6643-346

The 6643-346 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 22j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e210aca4398d]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1999

Related Models

seikata-wm-e210aca4398d