Seiko Cal. 6640 - 926

Seiko 6640-926

This Spring Drive model from 1999 features a 35mm Two-Tone case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6d36a88eb765]

Also known as: Bellmatic, Flighty

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
35mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Burgundy
Jewels
25j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1999

Related Models

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