Seiko Cal. 5663 - 741

Seiko 5663-741

The 5663-741 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7f2e88de97d3]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1970

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