Seiko Cal. 6643 - 640

Seiko 6643-640

This Automatic model from 1997 features a 34mm Hardlex-Coated Steel case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-18f877f1450b]

Also known as: Samurai

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1997

Related Models

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