Seiko Cal. 6643 - 791

Seiko 6643-791

The 6643-791 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-280aa6fb9e00]

Also known as: Samurai

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1991

Related Models

seikata-wm-280aa6fb9e00