Seiko Cal. 5643 - 770

Seiko 5643-770

This Quartz model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2ba2c51a3eb2]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1991

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seikata-wm-2ba2c51a3eb2