Seiko Cal. 6646 - 698

Seiko 6646-698

This Spring Drive model from 1976 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8901f23b8acd]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
19j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1976

Related Models

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