Seiko Cal. 5643 - 367

Seiko 5643-367

The Seiko 5643-367 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-8ac3405717a2]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
34j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1980

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