Seiko Cal. 6645 - 644

Seiko 6645-644

This Automatic model from 1978 features a 46mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-3ebed7e3e109]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1978

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seikata-wm-3ebed7e3e109