Seiko Cal. 6645 - 140

Seiko 6645-140

This Automatic model from 1978 features a 36mm Two-Tone case. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-8d56a4702f90]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1978

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seikata-wm-8d56a4702f90