Seiko Cal. 6638 - 595

Seiko 6638-595

This Hand-Winding model from 1994 features a 40mm Titanium case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-aae91f38f8a0]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Burgundy
Jewels
25j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1994

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