Seiko Cal. 6640 - 869

Seiko 6640-869

This Hand-Winding model from 1965 features a 38mm Hardlex-Coated Steel case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-183b391d09cf]

Also known as: Samurai, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1965

Related Models

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