Seiko Cal. 6650 - 658

Seiko 6650-658

The 6650-658 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4f7e021a5635]

Also known as: Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1998

Related Models

seikata-wm-4f7e021a5635