Seiko Cal. 6647 - 163

Seiko 6647-163

The Seiko 6647-163 represents an important milestone in Seiko's 1997 lineup. Powered by the 6647 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d23c004f0bcc]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Black
Jewels
35j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1997

Related Models

seikata-wm-d23c004f0bcc