Seiko Cal. 6641 - 811

Seiko 6641-811

This Spring Drive model from 1969 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-600686dfa035]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1969

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seikata-wm-600686dfa035