Seiko Cal. 6641 - 536

Seiko 6641-536

This Spring Drive model from 1974 features a 35mm Stainless Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-cbbae6918398]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1974

Related Models

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