Seiko Cal. 5643 - 977

Seiko 5643-977

The 5643-977 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-63fb923e960e]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1971

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